clairvsczarWhich spelling fits?

Quick tell: clair is a adjective, czar is a noun, so they fill different roles in a sentence.

Which to use

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

#27,787
“clair” frequency rank
#18,302
“czar” frequency rank
46089
confusion score

Side-by-Side Comparison

Feature clair czar
Definition claro título dado ao imperador da Rússia

Where the eye mixes clair and czar

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
clair
4 ch
czar

Visual trap between clair and czar

These two trip readers on the page rather than in the ear: clair is \klɛʁ\ while czar is /ˈkzaɾ/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 46089, derived from the frequency rank of both members and their visual similarity.

clair is recorded at frequency rank #27,787, classified as anadj, pronounced \klɛʁ\. czar is at rank #18,302, tagged as anoun, pronounced /ˈkzaɾ/.

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 46089, this pair ranks #19,262 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of clair vs czar

Shared letters: acr. Private to "clair": il. Private to "czar": z.

"clair" · 5 letters · shape CCVVC  ·  "czar" · 4 letters · shape CCVC

Known mistypes of this pair

  • claircalir · cclair · clairr · clari · cliar · cllair · lcair
  • czarcazr · cczar · czarr · czra · czzar · zcar

Frequently Asked Questions

Do "clair" and "czar" mean the same thing in a sentence?
No - they are not even the same part of speech. "clair" is an adjective and "czar" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "clair" or "czar" show up more?
"czar" is the more common of the two: it sits at frequency rank #18,302 in our Portuguese list, against #27,787 for "clair". 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 "clair" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "czar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,262 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "clair" and "czar" also get mixed up with nearby pairs, the highest-scored neighbour is "clair vs coagir". 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 #19,262 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list