13-letter words starting with O

Are you looking for 13-letter words that start with O that you can play in Scrabble? The list below contains 522 words that are thirteen letters long, starting with O.

You can also find words of different lengths that start in O by using the links below. We have words in our dictionary ranging from 2-15 letters in length.

Find more words by length

2 3 4 5 6 7 8 9 10 11 12 13 14 15
Word Points US Intl.
1 OBJECTIONABLE 26
2 OBJECTIONABLY 29
3 OBJECTIVATING 28
4 OBJECTIVATION 27
5 OBJECTIVENESS 27
6 OBJECTIVISING 28
7 OBJECTIVISTIC 29
8 OBJECTIVITIES 27
9 OBJECTIVIZING 37
10 OBLIQUENESSES 24
11 OBLITERATIONS 15
12 OBLIVIOUSNESS 18
13 OBLIVISCENCES 22
14 OBMUTESCENCES 21
15 OBNOXIOUSNESS 22
16 OBNUBILATIONS 17
17 OBSCENENESSES 17
18 OBSCURANTISMS 19
19 OBSCURANTISTS 17
20 OBSCURENESSES 17
21 OBSERVABILITY 23
22 OBSERVATIONAL 18
23 OBSERVATORIES 18
24 OBSESSIONALLY 18
25 OBSESSIONISTS 15
26 OBSESSIVENESS 18
27 OBSOLESCENCES 19
28 OBSOLESCENTLY 20
29 OBSTETRICALLY 20
30 OBSTETRICIANS 17
31 OBSTINATENESS 15
32 OBSTREPERATED 18
33 OBSTREPERATES 17
34 OBSTRUCTINGLY 21
35 OBSTRUCTIONAL 17
36 OBSTRUCTIVELY 23
37 OBTAINABILITY 20
38 OBTEMPERATING 20
39 OBTRUSIVENESS 18
40 OBVIOUSNESSES 18
41 OCCASIONALISM 19
42 OCCASIONALIST 17
43 OCCASIONALITY 20
44 OCCIDENTALISE 18
45 OCCIDENTALISM 20
46 OCCIDENTALIST 18
47 OCCIDENTALIZE 27
48 OCCLUSIVENESS 20
49 OCEANOGRAPHER 21
50 OCEANOGRAPHIC 23
51 OCEANOLOGICAL 18
52 OCEANOLOGISTS 16
53 OCHLOCRATICAL 22
54 OCHLOPHOBIACS 27
55 OCTINGENARIES 16
56 OCTOCENTENARY 20
57 OCTODECILLION 18
58 OCTOGENARIANS 16
59 OCTOSYLLABICS 22
60 OCTOSYLLABLES 20
61 ODONATOLOGIES 15
62 ODONATOLOGIST 15
63 ODONTOBLASTIC 18
64 ODONTOGLOSSUM 17
65 ODONTOLOGICAL 17
66 ODONTOLOGISTS 15
67 ODONTOPHOBIAS 21
68 ODONTOPHORANS 19
69 ODONTOPHOROUS 19
70 ODONTORNITHES 17
71 ODORIFEROUSLY 20
72 ODOROUSNESSES 14
73 OECOLOGICALLY 21
74 OECUMENICALLY 22
75 OFFENSIVENESS 22
76 OFFHANDEDNESS 24
77 OFFICEHOLDERS 25
78 OFFICIALITIES 21
79 OFFICIOUSNESS 21
80 OLEANDOMYCINS 21
81 OLEOMARGARINE 16
82 OLEOMARGARINS 16
83 OLERICULTURES 15
84 OLFACTOLOGIES 19
85 OLFACTOLOGIST 19
86 OLFACTOMETERS 20
87 OLIGOPEPTIDES 19
88 OLIGOPOLISTIC 18
89 OLIGOSPERMIAS 18
90 OLIGOTROPHIES 19
91 OMBUDSMANSHIP 25
92 OMBUDSPERSONS 20
93 OMINOUSNESSES 15
94 OMMATOPHOROUS 22
95 OMNICOMPETENT 21
96 OMNIFARIOUSLY 21
97 OMNIFORMITIES 20
98 OMNIPOTENCIES 19
99 OMNIPRESENCES 19
100 OMNISEXUALITY 25
101 OMOPLATOSCOPY 24
102 ONEIROCRITICS 17
103 ONEIROMANCERS 17
104 ONEIROMANCIES 17
105 ONEIROSCOPIES 17
106 ONEIROSCOPIST 17
107 ONEROUSNESSES 13
108 ONGOINGNESSES 15
109 ONOMASTICALLY 20
110 ONOMASTICIANS 17
111 ONOMATOLOGIES 16
112 ONOMATOLOGIST 16
113 ONOMATOPOEIAS 17
114 ONOMATOPOESES 17
115 ONOMATOPOESIS 17
116 ONOMATOPOETIC 19
117 ONTOGENICALLY 19
118 ONTOLOGICALLY 19
119 ONYCHOMANCIES 25
120 ONYCHOPHAGIES 27
121 ONYCHOPHAGIST 27
122 ONYCHOPHORANS 26
123 OPENABILITIES 17
124 OPENHEARTEDLY 22
125 OPENMOUTHEDLY 24
126 OPERABILITIES 17
127 OPERATIONALLY 18
128 OPERATIONISMS 17
129 OPERATIONISTS 15
130 OPERATIVENESS 18
131 OPERATIVITIES 18
132 OPEROSENESSES 15
133 OPHIOMORPHOUS 25
134 OPHIOPHILISTS 23
135 OPHTHALMOLOGY 27
136 OPINIONATEDLY 19
137 OPISTHOBRANCH 25
138 OPISTHOGRAPHS 24
139 OPISTHOGRAPHY 27
140 OPISTHOSOMATA 20
141 OPPIGNERATING 19
142 OPPIGNERATION 18
143 OPPIGNORATING 19
144 OPPIGNORATION 18
145 OPPORTUNENESS 17
146 OPPORTUNISTIC 19
147 OPPORTUNITIES 17
148 OPPOSITIONIST 17
149 OPPROBRIOUSLY 22
150 OPSONISATIONS 15
151 OPSONIZATIONS 24
152 OPTIMISATIONS 17
153 OPTIMIZATIONS 26
154 OPTIONALITIES 15
155 ORACULARITIES 15
156 ORACULOUSNESS 15
157 ORCHESOGRAPHY 27
158 ORCHESTRALIST 18
159 ORCHESTRATERS 18
160 ORCHESTRATING 19
161 ORCHESTRATION 18
162 ORCHESTRATORS 18
163 ORCHIDOLOGIES 20
164 ORCHIDOLOGIST 20
165 ORCHIDOMANIAC 23
166 ORCHIDOMANIAS 21
167 ORCHIECTOMIES 22
168 ORDERLINESSES 14
169 OREOGRAPHICAL 21
170 ORGANISATIONS 14
171 ORGANIZATIONS 23
172 ORGANOGENESES 15
173 ORGANOGENESIS 15
174 ORGANOGENETIC 17
175 ORGANOGRAPHIC 22
176 ORGANOLOGICAL 17
177 ORGANOLOGISTS 15
178 ORGANOTHERAPY 22
179 ORGIASTICALLY 19
180 ORIENTALISING 14
181 ORIENTALITIES 13
182 ORIENTALIZING 23
183 ORIENTATIONAL 13
184 ORIENTEERINGS 14
185 ORIGINALITIES 14
186 ORIGINATIVELY 20
187 ORISMOLOGICAL 18
188 ORNAMENTATION 15
189 ORNITHICHNITE 21
190 ORNITHISCHIAN 21
191 ORNITHOGALUMS 19
192 ORNITHOLOGIES 17
193 ORNITHOLOGIST 17
194 ORNITHOMANTIC 20
195 ORNITHOMORPHS 23
196 ORNITHOPHOBIA 23
197 OROPHARYNGEAL 22
198 ORTHOCEPHALIC 25
199 ORTHODIAGONAL 18
200 ORTHODONTISTS 17
201 ORTHOEPICALLY 23
202 ORTHOGNATHIES 20
203 ORTHOGNATHISM 22
204 ORTHOGNATHOUS 20
205 ORTHOGONALISE 17
206 ORTHOGONALITY 20
207 ORTHOGONALIZE 26
208 ORTHOGRAPHERS 22
209 ORTHOGRAPHIES 22
210 ORTHOGRAPHIST 22
211 ORTHOHYDROGEN 24
212 ORTHOPAEDICAL 21
213 ORTHOPAEDISTS 19
214 ORTHOPINAKOID 23
215 ORTHOPTERISTS 18
216 ORTHOPTEROIDS 19
217 ORTHOPYROXENE 28
218 ORTHOSILICATE 18
219 ORTHOSTICHIES 21
220 ORTHOSTICHOUS 21
221 ORTHOTROPISMS 20
222 ORTHOTUNGSTIC 19
223 OSCILLATIONAL 15
224 OSCILLOGRAPHS 21
225 OSCILLOGRAPHY 24
226 OSCILLOSCOPES 19
227 OSCILLOSCOPIC 21
228 OSSIFICATIONS 18
229 OSTEICHTHYANS 24
230 OSTENSIBILITY 18
231 OSTEOFIBROSES 18
232 OSTEOFIBROSIS 18
233 OSTEOGRAPHIES 19
234 OSTEOMALACIAL 17
235 OSTEOMALACIAS 17
236 OSTEOMYELITIS 18
237 OSTEOPATHISTS 18
238 OSTEOPETROSES 15
239 OSTEOPETROSIS 15
240 OSTEOPLASTIES 15
241 OSTEOSARCOMAS 17
242 OSTREICULTURE 15
243 OSTREOPHAGIES 19
244 OSTREOPHAGOUS 19
245 OTHERWORLDISH 23
246 OTOTOXICITIES 22
247 OUTBARGAINING 17
248 OUTBLUSTERING 16
249 OUTDELIVERING 18
250 OUTDISTANCING 17
251 OUTDOORSWOMAN 19
252 OUTDOORSWOMEN 19
253 OUTGENERALING 15
254 OUTGENERALLED 15
255 OUTGLITTERING 15
256 OUTINTRIGUING 15
257 OUTMANEUVERED 19
258 OUTMANIPULATE 17
259 OUTMANOEUVRED 19
260 OUTMANOEUVRES 18
261 OUTORGANISING 15
262 OUTORGANIZING 24
263 OUTPASSIONING 16
264 OUTPERFORMING 21
265 OUTPLACEMENTS 19
266 OUTPOLITICKED 22
267 OUTPOPULATING 18
268 OUTREBOUNDING 17
269 OUTRECUIDANCE 18
270 OUTREPRODUCED 19
271 OUTREPRODUCES 18
272 OUTSETTLEMENT 15
273 OUTSPOKENNESS 19
274 OUTSTANDINGLY 18
275 OUTSTRETCHING 19
276 OUTSWEETENING 17
277 OUTTRAVELLING 17
278 OUTVILLAINING 17
279 OUTWARDNESSES 17
280 OVARIECTOMIES 20
281 OVARIOTOMISTS 18
282 OVERABOUNDING 20
283 OVERABSTRACTS 20
284 OVERABUNDANCE 21
285 OVERACHIEVERS 24
286 OVERACHIEVING 25
287 OVERADJUSTING 25
288 OVERADVERTISE 20
289 OVERADVERTIZE 29
290 OVERALERTNESS 16
291 OVERAMBITIOUS 20
292 OVERAMPLIFIED 24
293 OVERANALYSING 20
294 OVERANALYZING 29
295 OVERANXIETIES 23
296 OVERARRANGING 18
297 OVERASSERTING 17
298 OVERASSERTION 16
299 OVERASSERTIVE 19
300 OVERASSESSING 17
301 OVERATTENTION 16
302 OVERATTENTIVE 19
303 OVERBALANCING 21
304 OVERBEARINGLY 22
305 OVERBEJEWELED 29
306 OVERBLEACHING 24
307 OVERBORROWING 22
308 OVERBREATHING 22
309 OVERBURDENING 20
310 OVERBURTHENED 22
311 OVERCANOPYING 24
312 OVERCAREFULLY 24
313 OVERCAUTIONED 19
314 OVERCHARGINGS 23
315 OVERCIVILISED 22
316 OVERCIVILIZED 31
317 OVERCLOCKINGS 25
318 OVERCOLOURING 19
319 OVERCOMMITTED 23
320 OVERCONCERNED 21
321 OVERCONFIDENT 22
322 OVERCONSCIOUS 20
323 OVERCONSTRUCT 20
324 OVERCONSUMING 21
325 OVERCORRECTED 21
326 OVERCRAMMINGS 23
327 OVERCREDULITY 22
328 OVERCREDULOUS 19
329 OVERCROWDINGS 23
330 OVERDECORATED 20
331 OVERDECORATES 19
332 OVERDEEPENING 20
333 OVERDEMANDING 21
334 OVERDEPENDENT 20
335 OVERDESIGNING 19
336 OVERDEVELOPED 23
337 OVERDEVIATING 21
338 OVERDIAGNOSED 19
339 OVERDIAGNOSES 18
340 OVERDIAGNOSIS 18
341 OVERDIRECTING 20
342 OVERDISCOUNTS 19
343 OVERDIVERSITY 23
344 OVERDOCUMENTS 21
345 OVERDOMINANCE 21
346 OVERDRAMATICS 21
347 OVERDRAMATISE 19
348 OVERDRAMATIZE 28
349 OVEREAGERNESS 17
350 OVEREARNESTLY 19
351 OVEREDUCATING 20
352 OVEREDUCATION 19
353 OVERELABORATE 18
354 OVEREMBELLISH 23
355 OVEREMOTIONAL 18
356 OVEREMPHASISE 23
357 OVEREMPHASIZE 32
358 OVERENAMOURED 19
359 OVERENCOURAGE 19
360 OVERENERGETIC 19
361 OVERENGINEERS 17
362 OVEREQUIPPING 30
363 OVERESTIMATED 19
364 OVERESTIMATES 18
365 OVEREVALUATED 20
366 OVEREVALUATES 19
367 OVEREXCITABLE 27
368 OVEREXCITEDLY 29
369 OVEREXERCISED 26
370 OVEREXERCISES 25
371 OVEREXERTIONS 23
372 OVEREXPANDING 27
373 OVEREXPANSION 25
374 OVEREXPLAINED 26
375 OVEREXPLOITED 26
376 OVEREXPOSURES 25
377 OVEREXTENDING 25
378 OVEREXTENSION 23
379 OVEREXUBERANT 25
380 OVERFATIGUING 21
381 OVERFAVOURING 23
382 OVERFERTILISE 19
383 OVERFERTILIZE 28
384 OVERFLOWINGLY 26
385 OVERFOCUSSING 22
386 OVERFULFILLED 23
387 OVERFULNESSES 19
388 OVERGLAMORISE 19
389 OVERGLAMORIZE 28
390 OVERGOVERNING 21
391 OVERGREEDIEST 18
392 OVERHARVESTED 23
393 OVERHASTINESS 19
394 OVERHONOURING 20
395 OVERIDEALISED 18
396 OVERIDEALISES 17
397 OVERIDEALIZED 27
398 OVERIDEALIZES 26
399 OVERIMPRESSED 21
400 OVERIMPRESSES 20
401 OVERINDULGENT 18
402 OVERINDULGING 19
403 OVERINFLATING 20
404 OVERINFLATION 19
405 OVERINFORMING 22
406 OVERINGENIOUS 17
407 OVERINGENUITY 20
408 OVERINSISTENT 16
409 OVERINSURANCE 18
410 OVERINTENSELY 19
411 OVERINTENSITY 19
412 OVERINTERPRET 18
413 OVERINVESTING 20
414 OVERISSUANCES 18
415 OVERLABOURING 19
416 OVERLAUNCHING 22
417 OVERLAVISHING 23
418 OVERLEAVENING 20
419 OVERLENGTHENS 20
420 OVERLEVERAGED 21
421 OVERLORDSHIPS 22
422 OVERMASTERING 19
423 OVERMEASURING 19
424 OVERMEDICATED 22
425 OVERMEDICATES 21
426 OVERMIGHTIEST 22
427 OVERMODESTIES 19
428 OVERMODULATED 20
429 OVERMULTITUDE 19
430 OVERNOURISHED 20
431 OVERNOURISHES 19
432 OVERNUTRITION 16
433 OVEROPERATING 19
434 OVEROPTIMISMS 22
435 OVEROPTIMISTS 20
436 OVERORGANISED 18
437 OVERORGANISES 17
438 OVERORGANIZED 27
439 OVERORGANIZES 26
440 OVERORNAMENTS 18
441 OVERPACKAGING 26
442 OVERPEDALLING 20
443 OVERPERSUADED 20
444 OVERPERSUADES 19
445 OVERPICTURING 21
446 OVERPLANNINGS 19
447 OVERPLOTTINGS 19
448 OVERPOPULATED 21
449 OVERPOPULATES 20
450 OVERPREDICTED 22
451 OVERPREPARING 21
452 OVERPRESCRIBE 22
453 OVERPRESSURED 19
454 OVERPRESSURES 18
455 OVERPROCESSED 21
456 OVERPROCESSES 20
457 OVERPRODUCING 22
458 OVERPROGRAMED 22
459 OVERPROMISING 21
460 OVERPROMOTING 21
461 OVERPROTECTED 21
462 OVERQUALIFIED 29
463 OVERREACTIONS 18
464 OVERRECKONING 23
465 OVERREGULATED 18
466 OVERREGULATES 17
467 OVERRELIANCES 18
468 OVERREPORTING 19
469 OVERRESPONDED 20
470 OVERSATURATED 17
471 OVERSATURATES 16
472 OVERSCHEDULED 23
473 OVERSCHEDULES 22
474 OVERSECRETING 19
475 OVERSECRETION 18
476 OVERSENSITIVE 19
477 OVERSERIOUSLY 19
478 OVERSERVICING 22
479 OVERSHADOWING 24
480 OVERSHOWERING 23
481 OVERSLAUGHING 21
482 OVERSPECULATE 20
483 OVERSPENDINGS 20
484 OVERSPREADING 20
485 OVERSTABILITY 21
486 OVERSTAFFINGS 23
487 OVERSTATEMENT 18
488 OVERSTIMULATE 18
489 OVERSTRAINING 17
490 OVERSTRESSING 17
491 OVERSTRETCHED 22
492 OVERSTRETCHES 21
493 OVERSTRUCTURE 18
494 OVERSUBSCRIBE 22
495 OVERSUPPLYING 24
496 OVERSWEETENED 20
497 OVERSWEETNESS 19
498 OVERTALKATIVE 23
499 OVERTAXATIONS 23
500 OVERTHWARTING 23
501 OVERTIGHTENED 21
502 OVERTREATMENT 18
503 OVERUTILISING 17
504 OVERUTILIZING 26
505 OVERVALUATION 19
506 OVERVIOLENTLY 22
507 OVERWEATHERED 23
508 OVERWEENINGLY 23
509 OVERWEIGHTING 24
510 OVERWHELMINGS 25
511 OVERWINTERING 20
512 OVERWITHHOLDS 26
513 OVERWRESTLING 20
514 OVERZEALOUSLY 28
515 OVIPOSITIONAL 18
516 OVOVIVIPARITY 27
517 OVOVIVIPAROUS 24
518 OXALOACETATES 22
519 OXYACETYLENES 28
520 OXYHEMOGLOBIN 31
521 OXYRHYNCHUSES 34
522 OYSTERCATCHER 23

Scrabble score table

The table below covers how many points each letter will give you when playing a game of Scrabble. The most common letters are worth one point, and the rarest letters are worth 8-10 points.

You can use our Scrabble tools to help you learn and remember words which contain the rare letters to make sure you get the highest score possible!

Score Letters
1 AEIOULNRST
2 DG
3 BCMP
4 FHVWY
5 K
8 JX
10 QZ

Link To or Reference This Page

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If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Word Squared as the source. We appreciate your support!

  • "13-letter words starting with O". WordSquared.com. Accessed on September 25, 2022. https://wordsquared.com/scrabble/thirteen-letter-words-starting-with-o/.

  • "13-letter words starting with O". WordSquared.com, https://wordsquared.com/scrabble/thirteen-letter-words-starting-with-o/. Accessed 25 September, 2022

  • 13-letter words starting with O. WordSquared.com. Retrieved from https://wordsquared.com/scrabble/thirteen-letter-words-starting-with-o/.