fa vs fas, What's the Difference?

Which to use

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

#6,701
“fa” frequency rank: #47,890
“fas” frequency rank: 54591
confusion score

Side-by-Side Comparison

Feature	fa	fas
Definition	La quatrième note de la gamme en musique occidentale.	Face, figure, visage.

Where the eye mixes fa and fas

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch

3 ch

fas

Look-alike desk: fa vs fas

A purely visual mix-up. fa (\fa\) and fas (\ˈfasː\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “fa” sits inside “fas”. Our composite confusion score for this pair is 54591, derived from the frequency rank of both members and their visual similarity.

fa is recorded at frequency rank #6,701, classified as anoun, pronounced \fa\. fas is at rank #47,890, tagged as anoun, pronounced \ˈfasː\.

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 54591, this pair ranks #133,011 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fa vs fas

Shared letters: af. Private to "fa": -. Private to "fas": s.

"fa" · 2 letters · shape CV · "fas" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "fa" for "fas" ever safe?

No. They are said differently (\fa\ versus \ˈfasː\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "fa" or "fas"?

"fa" is the more common of the two: it sits at frequency rank #6,701 in our French list, against #47,890 for "fas". 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 "fa" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "fas" - compare definitions side by side with the headword page. Word entry
This pair ranks #133,011 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"fa" and "fas" also get mixed up with nearby pairs, the highest-scored neighbour is "fas vs Fee". Nearby pair

Confusion rank #133,011 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.