crassvscussWhat's the difference?

Quick tell: crass is a adjective, cuss is a verb, so they fill different roles in a sentence.

Which to use

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

#30,381
“crass” frequency rank
#35,674
“cuss” frequency rank
66055
confusion score

Side-by-Side Comparison

Feature crass cuss
Definition Coarse; crude; unrefined or insensitive; lacking discrimination or taste. To use cursing, to use bad language, to speak profanely.

Where the eye mixes crass and cuss

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. crass runs 5 letters (CCVCC) against cuss's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
crass
4 ch
cuss

Why the eye confuses crass with cuss

These two trip readers on the page rather than in the ear: crass is /kɹæs/ while cuss is /kʌs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 66055, derived from the frequency rank of both members and their visual similarity.

crass is recorded at frequency rank #30,381, classified as anadj, pronounced /kɹæs/. cuss is at rank #35,674, tagged as averb, pronounced /kʌs/.

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 66055, this pair ranks #69,844 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of crass vs cuss

Shared letters: cs. Private to "crass": ar. Private to "cuss": u.

"crass" · 5 letters · shape CCVCC  ·  "cuss" · 4 letters · shape CVCC

Known mistypes of this pair

  • crass ← ccrass · crrass · crsas · rcass
  • cuss ← ccuss · csus · cus · ucss

Frequently Asked Questions

Is swapping "crass" for "cuss" ever safe?
No - they are not even the same part of speech. "crass" is an adjective and "cuss" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "crass" or "cuss" show up more?
"crass" is the more common of the two: it sits at frequency rank #30,381 in our English list, against #35,674 for "cuss". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "crass" and "cuss" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "crass" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cuss" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,844 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "crass" and "cuss" also get mixed up with nearby pairs, the highest-scored neighbour is "cuny vs cuss". 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 #69,844 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