keratin

/ˈkɛrətɪn/

//ˈkɛrətɪn// noun

By · According to Wiktionary data (CC BY-SA) ·

"keratin" is a 7-letter English headword indexed on PlainSpell.

The verdict

“keratin” has 10 generated spelling variants in the English index at frequency #48,305. The variants make it a useful spelling check.

#48,305
frequency rank, English
1,236
“K” headwords
10
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The protein of which hair and nails are composed.

Corpus desk

Index EN-keratin · keratin · English

keratin · rank #48,305 · 10 variants · 1 confusable

  • FREQ-MID #48,305
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 10 variants
  • BOOK-MID 1,236
  • PHOTO-FINISH Jura

Nearest frequency peer: Jura (-2 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “keratin”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “keratin” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

keratin vs Keaton
57% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for keratin
PropertyValue
Headwordkeratin
LanguageEnglish
Part of speechNoun
IPA/ˈkɛrətɪn/
Letters7
Frequency rank#48,305
Misspellings tracked10
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “keratin”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).keratinlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Jura” (#48,303), “jinn” (#48,302), “kidder” (#48,308). Among 1,236 “K” headwords, “keratin” is #48,305. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around keratin (IPA /ˈkɛrətɪn/), anoun. Corpus frequency is #48,305 among 1,236 “K” headwords. Dominant gloss: "The protein of which hair and nails are composed.".

Our generated misspelling index lists 10 likely wrong-spelling variants for keratin, with forms such as "ekratin", "keartin", and "keraitn". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 1 confusable-pair relationship, "Keaton", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Borrowed from German Keratin, from Ancient Greek κέρας (kéras, “horn”) + -in. Doublet of carat. The correct English form is keratin, spelled K-E-R-A-T-I-N.

Definition

  1. 1
    The protein of which hair and nails are composed.

Etymology

Borrowed from German Keratin, from Ancient Greek κέρας (kéras, “horn”) + -in. Doublet of carat.

This word in other languages

queratina(Español)kératine(Français)Keratin(Deutsch)

Common misspellings

Also misspelled as:

  • ekratin
  • keartin
  • keraitn
  • keratinn
  • keratni
  • kerattin
  • kerratin
  • kertain
  • kkeratin
  • kreatin

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of keratin - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ekratin2keartin2keraitn2keratinn1keratni2kerattin1kerratin1kertain2
Edit distance from "keratin"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "keratin"?
"keratin" is spelled K-E-R-A-T-I-N. The IPA pronunciation is /ˈkɛrətɪn/.
What does "keratin" mean?
As a noun, "keratin" means: The protein of which hair and nails are composed.
What words are commonly confused with "keratin"?
"keratin" is commonly confused with "Keaton". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "keratin"?
The IPA (International Phonetic Alphabet) transcription for "keratin" is /ˈkɛrətɪn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "keratin"?
Borrowed from German Keratin, from Ancient Greek κέρας (kéras, “horn”) + -in. Doublet of carat. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "keratin", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

inflame#48,291hobbled#48,282hemming#48,277Hansard#48,266

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

Marcella10 variantsgilding10 variantsnaivety10 variantsEusebius10 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list