foi vs for, What's the Difference?

Which to use

“foi” and “for” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#26
“foi” frequency rank: #220
“for” frequency rank: 246
confusion score

Side-by-Side Comparison

Feature	foi	for
Definition	terceira pessoa do singular do pretérito perfeito do indicativo do verbo ser	primeira pessoa do singular do futuro do subjuntivo do verbo ser

Where the eye mixes foi and for

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

3 ch

foi

3 ch

for

Look-alike desk: foi vs for

A purely visual mix-up. foi (/ˈfoj/) and for (/ˈfoɾ/) 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 a single letter - i in “foi” becomes r in “for”. Our composite confusion score for this pair is 246, derived from the frequency rank of both members and their visual similarity.

foi is recorded at frequency rank #26, classified as averb, pronounced /ˈfoj/. for is at rank #220, tagged as averb, pronounced /ˈfoɾ/.

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 246, this pair ranks #75,394 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of foi vs for

Shared letters: fo. Private to "foi": i. Private to "for": r.

"foi" · 3 letters · shape CVV · "for" · 3 letters · shape CVC

Frequently Asked Questions

Do "foi" and "for" mean the same thing in a sentence?

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

Frequency check: "foi" vs "for" - which ranks higher?

"foi" is the more common of the two: it sits at frequency rank #26 in our Portuguese list, against #220 for "for". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

Full dictionary entry for "foi" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "for" - compare definitions side by side with the headword page. Word entry
This pair ranks #75,394 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"foi" and "for" also get mixed up with nearby pairs, the highest-scored neighbour is "fern vs for". Nearby pair

Confusion rank #75,394 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.