claysvscrassWhich spelling fits?

Quick tell: clays is a noun, crass is an adjective, so they fill different roles in a sentence.

Which to use

“clays” is a noun and “crass” is an adjective - they look or sound alike but fill different roles in a sentence.

#37,382
“clays” frequency rank
#30,381
“crass” frequency rank
67763
confusion score

Side-by-Side Comparison

Feature clays crass
Definition plural of clay Coarse; crude; unrefined or insensitive; lacking discrimination or taste.

Where the eye mixes clays and crass

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. clays (CCVVC) and crass (CCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
clays
5 ch
crass

Look-alike desk: clays vs crass

These two trip readers on the page rather than in the ear: clays is /kleɪz/ while crass is /kɹæs/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 67763, derived from the frequency rank of both members and their visual similarity.

clays is recorded at frequency rank #37,382, classified as anoun, pronounced /kleɪz/. crass is at rank #30,381, tagged as anadj, pronounced /kɹæs/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 67763, this pair ranks #61,859 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of clays vs crass

Shared letters: acs. Private to "clays": ly. Private to "crass": r.

"clays" · 5 letters · shape CCVVC  ·  "crass" · 5 letters · shape CCVCC

Known mistypes of this pair

  • clays ← calys · cclays · clayss · clayys · cllays · clyas · lcays
  • crass ← ccrass · crrass · crsas · rcass

Frequently Asked Questions

Is swapping "clays" for "crass" ever safe?
No - they are not even the same part of speech. "clays" is a noun and "crass" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "clays" or "crass" show up more?
"crass" is the more common of the two: it sits at frequency rank #30,381 in our English list, against #37,382 for "clays". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "clays" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "crass" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,859 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "clays" and "crass" also get mixed up with nearby pairs, the highest-scored neighbour is "clack vs clays". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #61,859 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list