Keratin

7 lettersnounmoderate

Updated June 2026

Definition

A tough fibrous protein found in the outer layer of skin and in structures such as hair, feathers, nails, and hooves.

“The nail technician explained that keratin treatments can smooth and strengthen the hair shaft.”

Pronunciation

Syllables

ker·a·tin

Related Words

Synonyms

ceratin

Word Game Tips

🟩

Wordle

Starts with KER and ends in -IN, K is less common in Wordle but the remaining letters are very frequent

🔤

Scrabble

K scores 5 pts, a 7-letter scientific word with common tiles, worth attempting as a bingo

Words Related to Keratin

Words one letter different

Change a single letter of “keratin” to make these 7-letter words — useful for Wordle and crossword clues.

ceratin

Words you can make from Keratin

Shorter words formed from the letters in “keratin”.

intake nerita retain retina tanker tinker anker antre arent arite arkie artie atren entia erian erika inark inert inker inket inkra inter intra irate

Explore Similar Words

7-letter words starting with K 7-letter words ending with N All 7-letter words 6-letter words 8-letter words All word lists

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Dictionary References

Look up keratin in an authoritative dictionary for full definitions, pronunciation, and etymology.

Cambridge Dictionary Merriam-Webster

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