Which to use
“facs” is a noun and “fai” is a verb - they look or sound alike but fill different roles in a sentence.
- #38,796
- “facs” frequency rank
- #11,967
- “fai” frequency rank
- 50763
- confusion score
Side-by-Side Comparison
| Feature | facs | fai |
|---|---|---|
| Definition | Pluriel de fac. | Deuxième personne du pluriel de l’indicatif présent de fer. |
Where the spellings diverge
Shared letters are muted; the letters that actually set facs and fai apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: facs is \fak\ while fai is [ˈfa.i]. 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 50763, derived from the frequency rank of both members and their visual similarity.
facs is recorded at frequency rank #38,796, classified as anoun, pronounced \fak\. fai is at rank #11,967, tagged as averb, pronounced [ˈfa.i].
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 50763, this pair ranks #160,176 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of facs vs fai
Shared letters: af. Private to "facs": cs. Private to "fai": i.
"facs" · 4 letters · shape CVCC · "fai" · 3 letters · shape CVV
Known mistypes of this pair
- facs ← afcs · faccs · facss · fasc · fcas · ffacs
Frequency comparison
Frequently Asked Questions
Can "facs" and "fai" be used interchangeably?
Which is more common, "facs" or "fai"?
Remembering facs vs fai
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “facs”; for a verb, it's “fai”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “facs” entry
- Browse more pairs most likely to be confused. Most confusable