fontesvsfosteTell them apart

Quick tell: fontes is a noun, foste is a verb, so they fill different roles in a sentence.

Which to use

“fontes” is a noun and “foste” is a verb - they look or sound alike but fill different roles in a sentence.

#1,360
“fontes” frequency rank
#11,469
“foste” frequency rank
12829
confusion score

Side-by-Side Comparison

Feature fontes foste
Definition o mesmo que código-fonte segunda pessoa do singular do pretérito perfeito do indicativo do verbo ser

Letter map: fontes vs foste

Shared letters muted; letters that set fontes and foste apart highlighted. Shared run: 4. fontes runs 6 letters (CVCCVC) against foste's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
fontes
5 ch
foste

Grammar separator: fontes vs foste

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fontes is anoun and fosteaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 12829, derived from the frequency rank of both members and their visual similarity.

fontes is recorded at frequency rank #1,360, classified as anoun. foste is at rank #11,469, tagged as averb, pronounced /ˈfos.ʧi/.

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 12829, this pair ranks #59,649 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fontes vs foste

Shared letters: efost. Private to "fontes": n. Private to "foste": -.

"fontes" · 6 letters · shape CVCCVC  ·  "foste" · 5 letters · shape CVCCV

Known mistypes of this pair

  • fontes ← ffontes · fnotes · fonets · fonntes · fontess · fontse · fonttes · fotnes
  • foste ← ffoste · foset · fosste · fostte · fotse · fsote · ofste

Frequently Asked Questions

Is swapping "fontes" for "foste" ever safe?
No - they are not even the same part of speech. "fontes" is a noun and "foste" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "fontes" or "foste" show up more?
"fontes" is the more common of the two: it sits at frequency rank #1,360 in our Portuguese list, against #11,469 for "foste". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "fontes" vs "foste" is on the table, pick a follow-up below.

  • Full dictionary entry for "fontes" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foste" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #59,649 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fontes" and "foste" also get mixed up with nearby pairs, the highest-scored neighbour is "fosco vs foste". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #59,649 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list