forovsfosoWhat's the difference?

Which to use

“foro” and “foso” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,851
“foro” frequency rank
#24,157
“foso” frequency rank
26008
confusion score

Side-by-Side Comparison

Feature foro foso
Definition En Roma, plaza donde se trataban los negocios públicos y donde el pretor celebraba los juicios. Depresión de relativa profundidad practicada en una superficie.

Where the eye mixes foro and foso

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
foro
4 ch
foso

Visual trap between foro and foso

A purely visual mix-up. foro ([ˈfoɾo]) and foso ([ˈfoso]) 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 - r in “foro” becomes s in “foso”. Our composite confusion score for this pair is 26008, derived from the frequency rank of both members and their visual similarity.

foro is recorded at frequency rank #1,851, classified as anoun, pronounced [ˈfoɾo]. foso is at rank #24,157, tagged as anoun, pronounced [ˈfoso].

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 26008, this pair ranks #233,774 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of foro vs foso

Shared letters: fo. Private to "foro": r. Private to "foso": s.

"foro" · 4 letters · shape CVCV  ·  "foso" · 4 letters · shape CVCV

Known mistypes of this pair

  • forofforo · foor · froo · ofro
  • fosoffoso · foos · fosso · fsoo · ofso

Frequently Asked Questions

Can "foro" and "foso" be used interchangeably?
No. They are said differently ([ˈfoɾo] versus [ˈfoso]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "foro" or "foso"?
"foro" is the more common of the two: it sits at frequency rank #1,851 in our Spanish list, against #24,157 for "foso". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "foro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #233,774 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "foro" and "foso" also get mixed up with nearby pairs, the highest-scored neighbour is "fora vs foso". 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 #233,774 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list