forjavsfossaTell them apart

Which to use

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

#36,463
“forja” frequency rank
#17,291
“fossa” frequency rank
53754
confusion score

Side-by-Side Comparison

Feature forja fossa
Definition local onde fica o equipamento, todo o material e onde se executa o ofício de ferreiro grande abertura na terra

Where the eye mixes forja and fossa

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. forja and fossa follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
forja
5 ch
fossa

Why the eye confuses forja with fossa

A purely visual mix-up. forja (/ˈfɔɹ.ʒə/) and fossa (/ˈfɔ.sɐ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 53754, derived from the frequency rank of both members and their visual similarity.

forja is recorded at frequency rank #36,463, classified as anoun, pronounced /ˈfɔɹ.ʒə/. fossa is at rank #17,291, tagged as anoun, pronounced /ˈfɔ.sɐ/.

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 53754, this pair ranks #11,799 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of forja vs fossa

Shared letters: afo. Private to "forja": jr. Private to "fossa": s.

"forja" · 5 letters · shape CVCCV  ·  "fossa" · 5 letters · shape CVCCV

Known mistypes of this pair

  • forja ← fforja · fojra · foraj · forjja · forrja · froja · ofrja
  • fossa ← ffossa · fosa · fosas · fsosa · ofssa

Frequently Asked Questions

Can "forja" and "fossa" be used interchangeably?
No. They are said differently (/ˈfɔɹ.ʒə/ versus /ˈfɔ.sɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "forja" or "fossa" show up more?
"fossa" is the more common of the two: it sits at frequency rank #17,291 in our Portuguese list, against #36,463 for "forja". 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 "forja" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fossa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,799 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "forja" and "fossa" also get mixed up with nearby pairs, the highest-scored neighbour is "ferra vs forja". 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 #11,799 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