Which to use
“firmo” and “fumo” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,547
- “firmo” frequency rank
- #14,599
- “fumo” frequency rank
- 33146
- confusion score
Side-by-Side Comparison
| Feature | firmo | fumo |
|---|---|---|
| Definition | Primera persona del singular (yo) del presente de indicativo de firmar. | Primera persona del singular (yo) del presente de indicativo de fumar. |
Where the eye mixes firmo and fumo
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between firmo and fumo
A purely visual mix-up. firmo ([ˈfiɾmo]) and fumo ([ˈfumo]) 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 1 letter(s) in length. Our composite confusion score for this pair is 33146, derived from the frequency rank of both members and their visual similarity.
firmo is recorded at frequency rank #18,547, classified as averb, pronounced [ˈfiɾmo]. fumo is at rank #14,599, tagged as averb, pronounced [ˈfumo].
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 33146, this pair ranks #198,360 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of firmo vs fumo
Shared letters: fmo. Private to "firmo": ir. Private to "fumo": u.
"firmo" · 5 letters · shape CVCCV · "fumo" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Do "firmo" and "fumo" mean the same thing in a sentence?
In ordinary Spanish text, does "firmo" or "fumo" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "firmo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fumo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #198,360 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "firmo" and "fumo" also get mixed up with nearby pairs, the highest-scored neighbour is "fideo vs firmo". 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 #198,360 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.