13-Letter Words
100 wordsThirteen-letter words represent the outer edge of practical vocabulary. These lengthy formations typically arise from combining roots with multiple prefixes and suffixes, creating words precise enough for technical writing yet recognizable enough for everyday comprehension.
Words starting with A
9Words starting with C
19Words starting with D
7Words starting with E
10Words starting with F
1Words starting with G
4Words starting with H
3Words starting with I
14Words starting with K
1Words starting with M
7Words starting with N
1Words starting with P
4Words starting with R
3Words starting with S
6Words starting with T
2Words starting with U
9Pattern Guide
Insights and recommendations for these words.
Words of this length reward players who understand how English builds complexity through layered word parts.
Vocabulary & Language
Linguistic patterns and usage statistics
Most 13-letter words are nouns, reflecting how English extends base words through suffixes like -ification, -ization, and -ation to describe processes and states. The pattern also accommodates substantial adjective formation through -ical and -able endings. Adverbs ending in -ally round out the distribution, turning those adjectives into manner descriptions.
Total Words
5,250
1.8% of dictionary
Top Scrabble
OBJECTIVIZING
37 points
Parts of Speech
Latin dominates the etymology of 13-letter words, followed by Middle English and French contributions. This reflects how English technical and abstract vocabulary grew primarily through Romance language borrowings. The chain from CLAIRAUDIENCE—traveling through French, Middle French, Old French, and back to Latin clārus—illustrates how a single word can carry centuries of linguistic evolution.
Word Games
High-value words for board games
Top 13-Letter Words
the property of being able to occupy less space
subject to psychoanalytic treatment
Top 13-Letter Words
genus to which Australopithecus boisei was formerly assigned
OBJECTIVIZING tops both Scrabble and WWF, but the gap widens dramatically in WWF where J scores 10 points versus 8 in Scrabble. CIRCUMJACENCY climbs to second place in WWF thanks to this J bonus, despite not cracking the Scrabble top eight. Words with Z like ZIGZAGGEDNESS and ZINJANTHROPUS gain significant value in WWF where Z earns 10 points. If you're holding high-value tiles in WWF, prioritize words with multiple premium consonants.
Hidden Gems
Rare but valid words to surprise opponents
the process of becoming acid or being converted into an acid
the conversion of bare or cultivated land into forest (originally for the purpose of hunting)
in an allegorical manner
"the play ended allegorically"
of or relating to or characteristic of ambassadors
AFFORESTATION means the conversion of bare or cultivated land into forest, originally for hunting purposes. This environmental term combines the prefix af- (toward) with forest plus the process suffix -ation. It's increasingly relevant in climate discussions and surprisingly valid in word games despite its specialized feel.
Popular crossword answers
Words frequently used in crossword puzzles with common clues.
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