fosasvsfósilConfusable pair

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

Which to use

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

#16,859
“fosas” frequency rank
#26,862
“fósil” frequency rank
43721
confusion score

Side-by-Side Comparison

Feature fosas fósil
Definition Segunda persona del singular (tú) del presente de indicativo de fosar. Restos de seres vivos o rastros de su actividad, conservados en los estratos de las rocas.

Where the eye mixes fosas and fósil

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

5 ch
fosas
5 ch
fósil

Look-alike desk: fosas vs fósil

These two trip readers on the page rather than in the ear: fosas is [ˈfosas] while fósil is [ˈfosil]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 43721, derived from the frequency rank of both members and their visual similarity.

fosas is recorded at frequency rank #16,859, classified as averb, pronounced [ˈfosas]. fósil is at rank #26,862, tagged as anoun, pronounced [ˈfosil].

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 43721, this pair ranks #141,054 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fosas vs fósil

Shared letters: fs. Private to "fosas": ao. Private to "fósil": iló.

"fosas" · 5 letters · shape CVCVC  ·  "fósil" · 5 letters · shape CVCVC

Known mistypes of this pair

  • fosasffosas · foass · fosass · fossas · fsoas · ofsas

Frequently Asked Questions

Do "fosas" and "fósil" mean the same thing in a sentence?
No - they are not even the same part of speech. "fosas" is a verb and "fósil" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fosas" or "fósil"?
"fosas" is the more common of the two: it sits at frequency rank #16,859 in our Spanish list, against #26,862 for "fósil". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "fosas" and "fósil" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fosas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fósil" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #141,054 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fosas" and "fósil" also get mixed up with nearby pairs, the highest-scored neighbour is "flojas vs fosas". 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 #141,054 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