foe vs fu, What's the Difference?

Which to use

“foe” is an adjective and “fu” is an intj - they look or sound alike but fill different roles in a sentence.

#14,761
“foe” frequency rank: #8,543
“fu” frequency rank: 23304
confusion score

Side-by-Side Comparison

Feature	foe	fu
Definition	Hostile.	Initialism of fuck you.

Letter map: foe vs fu

Shared letters muted; letters that set foe and fu apart highlighted. Shared run: 1.

3 ch

foe

2 ch

Part-of-speech tell for foe / fu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: foe is anadjective and fuanintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 23304, derived from the frequency rank of both members and their visual similarity.

foe is recorded at frequency rank #14,761, classified as anadj, pronounced /fəʊ/. fu is at rank #8,543, tagged as anintj.

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 23304, this pair ranks #410,313 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of foe vs fu

Shared letters: f. Private to "foe": eo. Private to "fu": u.

"foe" · 3 letters · shape CVV · "fu" · 2 letters · shape CV

Frequently Asked Questions

Can "foe" and "fu" be used interchangeably?

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

Which is more common, "foe" or "fu"?

"fu" is the more common of the two: it sits at frequency rank #8,543 in our English list, against #14,761 for "foe". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "foe" and "fu".

Full dictionary entry for "foe" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "fu" - compare definitions side by side with the headword page. Word entry
This pair ranks #410,313 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"foe" and "fu" also get mixed up with nearby pairs, the highest-scored neighbour is "foe vs FOMO". Nearby pair

Confusion rank #410,313 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.