15-letter words starting with B

Are you looking for 15-letter words that start with B that you can play in Scrabble? The list below contains 127 words that are fifteen letters long, starting with B.

You can also find words of different lengths that start in B 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 BACCHANALIANISM 26 ✅ ❌
2 BACKSCATTERINGS 26 ✅ ✅
3 BACKSCRATCHINGS 31 ✅ ❌
4 BACTERIOLOGICAL 22 ✅ ✅
5 BACTERIOLOGISTS 20 ✅ ✅
6 BACTERIOPHAGIES 25 ✅ ✅
7 BACTERIOPHAGOUS 25 ✅ ❌
8 BALNEOTHERAPIES 22 ✅ ❌
9 BARBAROUSNESSES 19 ✅ ✅
10 BAREFACEDNESSES 23 ✅ ✅
11 BASIDIOMYCETOUS 25 ✅ ✅
12 BASTARDISATIONS 18 ✅ ❌
13 BASTARDIZATIONS 27 ✅ ✅
14 BATHOMETRICALLY 27 ✅ ❌
15 BATHYMETRICALLY 30 ✅ ✅
16 BATRACHOPHOBIAS 29 ✅ ❌
17 BEARDLESSNESSES 18 ✅ ❌
18 BEAUTEOUSNESSES 17 ✅ ✅
19 BEAUTIFICATIONS 22 ✅ ✅
20 BEAUTIFULNESSES 20 ✅ ✅
21 BELIEVABILITIES 22 ✅ ✅
22 BELONGINGNESSES 19 ✅ ✅
23 BENIGHTEDNESSES 22 ✅ ✅
24 BENZANTHRACENES 31 ✅ ✅
25 BENZENECARBONYL 33 ✅ ❌
26 BENZODIAZEPINES 38 ✅ ✅
27 BESEEMINGNESSES 20 ✅ ❌
28 BESPOTTEDNESSES 20 ✅ ❌
29 BIBLIOGRAPHICAL 27 ✅ ✅
30 BIBLIOPHILISTIC 26 ✅ ❌
31 BIBLIOTHECARIES 24 ✅ ❌
32 BIBLIOTHERAPIES 24 ✅ ✅
33 BIDIALECTALISMS 22 ✅ ✅
34 BIDIRECTIONALLY 23 ✅ ✅
35 BIGHEADEDNESSES 23 ✅ ❌
36 BIOACCUMULATING 24 ✅ ❌
37 BIOACCUMULATION 23 ✅ ❌
38 BIOACOUSTICIANS 21 ❌ ✅
39 BIOASTRONAUTICS 19 ✅ ❌
40 BIOAVAILABILITY 25 ✅ ✅
41 BIOCONTAINMENTS 21 ❌ ✅
42 BIODEGRADATIONS 20 ✅ ✅
43 BIODESTRUCTIBLE 22 ✅ ❌
44 BIOECOLOGICALLY 25 ✅ ❌
45 BIOENGINEERINGS 19 ✅ ✅
46 BIOEQUIVALENCES 31 ❌ ✅
47 BIOGEOCHEMICALS 27 ✅ ✅
48 BIOGEOCHEMISTRY 28 ✅ ✅
49 BIOGEOGRAPHICAL 26 ✅ ✅
50 BIOLUMINESCENCE 23 ✅ ✅
51 BIOMATHEMATICAL 26 ✅ ✅
52 BIOMECHANICALLY 29 ✅ ✅
53 BIOPROSPECTINGS 24 ✅ ❌
54 BIOPSYCHOLOGIES 28 ✅ ✅
55 BIOPSYCHOLOGIST 28 ❌ ✅
56 BIOREGIONALISMS 20 ✅ ✅
57 BIOREGIONALISTS 18 ✅ ✅
58 BIOREMEDIATIONS 20 ✅ ✅
59 BIORHYTHMICALLY 33 ✅ ❌
60 BIOSTATISTICIAN 19 ✅ ✅
61 BIOSTRATIGRAPHY 26 ✅ ✅
62 BIOSYSTEMATISTS 22 ✅ ✅
63 BIOTECHNOLOGIES 23 ✅ ✅
64 BIOTECHNOLOGIST 23 ✅ ✅
65 BIPARTISANSHIPS 24 ✅ ✅
66 BIPOLARISATIONS 19 ✅ ❌
67 BIPOLARIZATIONS 28 ✅ ✅
68 BISPHOSPHONATES 27 ✅ ✅
69 BISYMMETRICALLY 29 ✅ ❌
70 BITTERSWEETNESS 20 ✅ ✅
71 BITUMINISATIONS 19 ✅ ❌
72 BITUMINIZATIONS 28 ✅ ✅
73 BLACKGUARDLIEST 25 ❌ ❌
74 BLAMEABLENESSES 21 ✅ ❌
75 BLAMELESSNESSES 19 ✅ ✅
76 BLAMEWORTHINESS 25 ✅ ✅
77 BLASPHEMOUSNESS 24 ✅ ✅
78 BLAXPLOITATIONS 26 ✅ ✅
79 BLETHERANSKATES 24 ✅ ❌
80 BLOCKHEADEDNESS 28 ✅ ❌
81 BLOODCURDLINGLY 25 ✅ ❌
82 BLOODGUILTINESS 19 ✅ ✅
83 BLOODLESSNESSES 18 ✅ ✅
84 BLOODTHIRSTIEST 21 ✅ ✅
85 BOUGAINVILLAEAS 21 ✅ ✅
86 BOULEVERSEMENTS 22 ✅ ✅
87 BOUNDLESSNESSES 18 ✅ ✅
88 BOUNTEOUSNESSES 17 ✅ ✅
89 BOUNTIFULNESSES 20 ✅ ✅
90 BOURGEOISIFYING 25 ✅ ✅
91 BOUSTROPHEDONIC 25 ✅ ✅
92 BOWDLERISATIONS 21 ✅ ❌
93 BOWDLERIZATIONS 30 ✅ ✅
94 BRACHIOCEPHALIC 31 ✅ ✅
95 BRACHIOSAURUSES 22 ✅ ❌
96 BRACHISTOCHRONE 27 ✅ ❌
97 BRACHYCEPHALICS 34 ✅ ❌
98 BRACHYCEPHALIES 32 ✅ ✅
99 BRACHYCEPHALISM 34 ✅ ❌
100 BRACHYCEPHALOUS 32 ✅ ❌
101 BRACHYDACTYLIES 31 ✅ ❌
102 BRACHYDACTYLISM 33 ✅ ❌
103 BRACHYDACTYLOUS 31 ✅ ❌
104 BRACHYDIAGONALS 27 ✅ ❌
105 BRACHYPINAKOIDS 32 ✅ ❌
106 BRACHYTHERAPIES 30 ✅ ✅
107 BRAINLESSNESSES 17 ✅ ✅
108 BRAINSICKNESSES 23 ✅ ❌
109 BRAUNSCHWEIGERS 26 ✅ ✅
110 BREAKABLENESSES 23 ✅ ❌
111 BREATHABILITIES 22 ✅ ✅
112 BREATHARIANISMS 22 ✅ ❌
113 BREMSSTRAHLUNGS 23 ✅ ✅
114 BRILLIANTNESSES 17 ✅ ❌
115 BROADMINDEDNESS 22 ✅ ❌
116 BROKENHEARTEDLY 28 ✅ ❌
117 BRONCHIOLITISES 22 ✅ ❌
118 BRONCHODILATORS 23 ✅ ✅
119 BRONCHOGRAPHIES 28 ✅ ❌
120 BRONCHOSCOPICAL 28 ✅ ❌
121 BRONCHOSCOPISTS 26 ✅ ✅
122 BROTHERLINESSES 20 ✅ ✅
123 BUMPTIOUSNESSES 21 ✅ ✅
124 BUREAUCRATISING 20 ✅ ✅
125 BUREAUCRATIZING 29 ✅ ✅
126 BUSINESSPERSONS 19 ✅ ✅
127 BUTTERFLYFISHES 29 ❌ ❌

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

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  • "15-letter words starting with B". WordSquared.com. Accessed on October 1, 2023. https://wordsquared.com/scrabble/fifteen-letter-words-starting-with-b/.

  • "15-letter words starting with B". WordSquared.com, https://wordsquared.com/scrabble/fifteen-letter-words-starting-with-b/. Accessed 1 October, 2023

  • 15-letter words starting with B. WordSquared.com. Retrieved from https://wordsquared.com/scrabble/fifteen-letter-words-starting-with-b/.