false vs fas, What's the Difference?

Which to use

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

#30,605
“false” frequency rank: #47,890
“fas” frequency rank: 78495
confusion score

Side-by-Side Comparison

Feature	false	fas
Definition	Faux.	Face, figure, visage.

Where the spellings diverge

Shared letters are muted; the letters that actually set false and fas apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch

false

3 ch

fas

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: false is \ˈfɔls\ while fas is \ˈfasː\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 78495, derived from the frequency rank of both members and their visual similarity.

false is recorded at frequency rank #30,605, classified as anadj, pronounced \ˈfɔls\. 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 78495, this pair ranks #25,586 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of false vs fas

Shared letters: afs. Private to "false": el. Private to "fas": -.

"false" · 5 letters · shape CVCCV · "fas" · 3 letters · shape CVC

Known mistypes of this pair

false ← aflse · fales · fallse · falsse · fasle · ffalse · flase

Frequency comparison

false#30,605

fas#47,890

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "false" and "fas" be used interchangeably?

No - they are not even the same part of speech. "false" is an adjective and "fas" a noun, so a sentence built for one is usually ungrammatical with the other.

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

"false" is the more common of the two: it sits at frequency rank #30,605 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.

Remembering false vs fas

The fastest way to pick the right one every time.

Check the role first: if you need an adjective, it's “false”; for a noun, it's “fas”.
See each word in full, definition, IPA, etymology and its other confusables. Full “false” entry
Browse more pairs most likely to be confused. Most confusable