Which to use
“firmamos” is a verb and “firmas” is a noun - they look or sound alike but fill different roles in a sentence.
- #29,215
- “firmamos” frequency rank
- #3,924
- “firmas” frequency rank
- 33139
- confusion score
Side-by-Side Comparison
| Feature | firmamos | firmas |
|---|---|---|
| Definition | Primera persona del plural (nosotros, nosotras) del presente de indicativo de firmar o de firmarse. | Forma del plural de firma. |
Where the eye mixes firmamos and firmas
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. firmamos runs 8 letters (CVCCVCVC) against firmas's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses firmamos with firmas
These two trip readers on the page rather than in the ear: firmamos is [fiɾˈmamos] while firmas is [ˈfiɾmas]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 33139, derived from the frequency rank of both members and their visual similarity.
firmamos is recorded at frequency rank #29,215, classified as averb, pronounced [fiɾˈmamos]. firmas is at rank #3,924, tagged as anoun, pronounced [ˈfiɾmas].
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 33139, this pair ranks #198,395 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of firmamos vs firmas
Shared letters: afimrs. Private to "firmamos": o. Private to "firmas": -.
"firmamos" · 8 letters · shape CVCCVCVC · "firmas" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "firmamos" for "firmas" ever safe?
Which is more common, "firmamos" or "firmas"?
Useful next steps
Eye-level mix-up between "firmamos" and "firmas" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "firmamos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "firmas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #198,395 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "firmamos" and "firmas" also get mixed up with nearby pairs, the highest-scored neighbour is "firmadas vs firmamos". 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 #198,395 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.