Which to use
“áspera” is an adjective and “aspiro” is a verb - they look or sound alike but fill different roles in a sentence.
- #37,391
- “áspera” frequency rank
- #39,065
- “aspiro” frequency rank
- 76456
- confusion score
Side-by-Side Comparison
| Feature | áspera | aspiro |
|---|---|---|
| Definition | Forma del femenino singular de áspero. | Primera persona del singular (yo) del presente de indicativo de aspirar. |
Where the eye mixes áspera and aspiro
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses áspera with aspiro
These two trip readers on the page rather than in the ear: áspera is [ˈaspeɾa] while aspiro is [asˈpiɾo]. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 76456, derived from the frequency rank of both members and their visual similarity.
áspera is recorded at frequency rank #37,391, classified as anadj, pronounced [ˈaspeɾa]. aspiro is at rank #39,065, tagged as averb, pronounced [asˈpiɾo].
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 76456, this pair ranks #17,737 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of áspera vs aspiro
Shared letters: aprs. Private to "áspera": eá. Private to "aspiro": io.
"áspera" · 6 letters · shape VCCVCV · "aspiro" · 6 letters · shape VCCVCV
Known mistypes of this pair
- aspiro ← apsiro · asipro · aspior · aspirro · asppiro · asprio · asspiro · sapiro
Frequently Asked Questions
Is swapping "áspera" for "aspiro" ever safe?
Which is more common, "áspera" or "aspiro"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "áspera" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aspiro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #17,737 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "áspera" and "aspiro" also get mixed up with nearby pairs, the highest-scored neighbour is "aspire vs aspiro". 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 #17,737 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.