fósilvsfusilTell them apart

Which to use

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

#26,862
“fósil” frequency rank
#14,146
“fusil” frequency rank
41008
confusion score

Side-by-Side Comparison

Feature fósil fusil
Definition Restos de seres vivos o rastros de su actividad, conservados en los estratos de las rocas. Arma de fuego portátil con un cañón largo y que usa balas como munición. Es el arma más usada por la infantería de los ejércitos.

Where the eye mixes fósil and fusil

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. fósil and fusil follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
fósil
5 ch
fusil

Look-alike desk: fósil vs fusil

A purely visual mix-up. fósil ([ˈfosil]) and fusil ([fuˈsil]) 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 - ó in “fósil” becomes u in “fusil”. Our composite confusion score for this pair is 41008, derived from the frequency rank of both members and their visual similarity.

fósil is recorded at frequency rank #26,862, classified as anoun, pronounced [ˈfosil]. fusil is at rank #14,146, tagged as anoun, pronounced [fuˈsil].

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 41008, this pair ranks #156,007 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fósil vs fusil

Shared letters: fils. Private to "fósil": ó. Private to "fusil": u.

"fósil" · 5 letters · shape CVCVC  ·  "fusil" · 5 letters · shape CVCVC

Known mistypes of this pair

  • fusil ← ffusil · fsuil · fucil · fuisl · fusill · fusli · fussil · ufsil

Frequently Asked Questions

Do "fósil" and "fusil" mean the same thing in a sentence?
No. They are said differently ([ˈfosil] versus [fuˈsil]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "fósil" or "fusil" show up more?
"fusil" is the more common of the two: it sits at frequency rank #14,146 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.

What to do next

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

  • Full dictionary entry for "fósil" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fusil" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #156,007 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fósil" and "fusil" also get mixed up with nearby pairs, the highest-scored neighbour is "fil vs fósil". 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 #156,007 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