fracvsfrogConfusable pair

Which to use

“frac” and “frog” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#35,515
“frac” frequency rank
#42,890
“frog” frequency rank
78405
confusion score

Side-by-Side Comparison

Feature frac frog
Definition Vêtement en drap noir que les hommes portent dans une cérémonie, une soirée et qui se termine en deux longues basques dites queue de morue. Surnom dont des Canadiens non francophones affublent les Québécois francophones.

Where the eye mixes frac and frog

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. frac and frog follow the identical consonant-vowel pattern (CCVC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
frac
4 ch
frog

Visual trap between frac and frog

A purely visual mix-up. frac (\fʁak\) and frog (\fɹɒɡ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 78405, derived from the frequency rank of both members and their visual similarity.

frac is recorded at frequency rank #35,515, classified as anoun, pronounced \fʁak\. frog is at rank #42,890, tagged as anoun, pronounced \fɹɒɡ\.

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 78405, this pair ranks #25,841 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of frac vs frog

Shared letters: fr. Private to "frac": ac. Private to "frog": go.

"frac" · 4 letters · shape CCVC  ·  "frog" · 4 letters · shape CCVC

Known mistypes of this pair

  • frac ← ffrac · fracc · frca · frrac · rfac
  • frog ← ffrog · forg · frgo · frogg · frrog · rfog

Frequently Asked Questions

Do "frac" and "frog" mean the same thing in a sentence?
No. They are said differently (\fʁak\ versus \fɹɒɡ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "frac" or "frog" show up more?
"frac" is the more common of the two: it sits at frequency rank #35,515 in our French list, against #42,890 for "frog". 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 "frac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "frog" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #25,841 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "frac" and "frog" also get mixed up with nearby pairs, the highest-scored neighbour is "fog vs frog". 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 #25,841 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