crassvsCrassusWhich spelling fits?

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

Which to use

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

#30,381
“crass” frequency rank
#46,997
“Crassus” frequency rank
77378
confusion score

Side-by-Side Comparison

Feature crass Crassus
Definition Coarse; crude; unrefined or insensitive; lacking discrimination or taste. Marcus Licinius Crassus, a Roman general.

Where the eye mixes crass and Crassus

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. crass runs 5 letters (CCVCC) against Crassus's 7 (CCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
crass
7 ch
Crassus

Visual trap between crass and Crassus

These two trip readers on the page rather than in the ear: crass is /kɹæs/ while Crassus is /ˈkræsəs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “crass” sits inside “Crassus”, and the parts of speech differ too (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 77378, 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/. Crassus is at rank #46,997, tagged as aname, pronounced /ˈkræsəs/.

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 77378, this pair ranks #27,453 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of crass vs Crassus

Shared letters: acrs. Private to "crass": -. Private to "Crassus": u.

"crass" · 5 letters · shape CCVCC  ·  "Crassus" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • crass ← ccrass · crrass · crsas · rcass
  • Crassus ← carssus · ccrassus · crasssu · crassuss · crasus · crasuss · crrassus · crsasus

Frequently Asked Questions

Do "crass" and "Crassus" mean the same thing in a sentence?
No - they are not even the same part of speech. "crass" is an adjective and "Crassus" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "crass" vs "Crassus" - which ranks higher?
"crass" is the more common of the two: it sits at frequency rank #30,381 in our English list, against #46,997 for "Crassus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "crass" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Crassus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,453 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "crass" and "Crassus" also get mixed up with nearby pairs, the highest-scored neighbour is "crass vs Crist". 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 #27,453 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