roughvsrougirWhich spelling fits?

Quick tell: rough is a noun, rougir is a verb, so they fill different roles in a sentence.

Which to use

“rough” is a noun and “rougir” is a verb - they look or sound alike but fill different roles in a sentence.

#38,518
“rough” frequency rank
#19,395
“rougir” frequency rank
57913
confusion score

Side-by-Side Comparison

Feature rough rougir
Definition Bordure non entretenue d’un terrain de golf. Rendre rouge ; peindre ou teindre en rouge.

Where the eye mixes rough and rougir

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
rough
6 ch
rougir

Look-alike desk: rough vs rougir

These two trip readers on the page rather than in the ear: rough is \ʁœf\ while rougir is [ʁu.ʒiʁ]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 57913, derived from the frequency rank of both members and their visual similarity.

rough is recorded at frequency rank #38,518, classified as anoun, pronounced \ʁœf\. rougir is at rank #19,395, tagged as averb, pronounced [ʁu.ʒiʁ].

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 57913, this pair ranks #112,174 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of rough vs rougir

Shared letters: goru. Private to "rough": h. Private to "rougir": i.

"rough" · 5 letters · shape CVVCC  ·  "rougir" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • roughorugh · roguh · rouggh · roughh · rouhg · rrough · ruogh
  • rougirorugir · roguir · rouggir · rougirr · rougri · rouigr · rrougir · ruogir

Frequently Asked Questions

Is swapping "rough" for "rougir" ever safe?
No - they are not even the same part of speech. "rough" is a noun and "rougir" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "rough" or "rougir"?
"rougir" is the more common of the two: it sits at frequency rank #19,395 in our French list, against #38,518 for "rough". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "rough" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rougir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #112,174 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rough" and "rougir" also get mixed up with nearby pairs, the highest-scored neighbour is "rog vs rough". 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 #112,174 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list