Which to use
“áspera” is an adjective and “aspirar” is a verb - they look or sound alike but fill different roles in a sentence.
- #37,391
- “áspera” frequency rank
- #13,618
- “aspirar” frequency rank
- 51009
- confusion score
Side-by-Side Comparison
| Feature | áspera | aspirar |
|---|---|---|
| Definition | Forma del femenino singular de áspero. | Enviar aire hacia los pulmones. |
Where the eye mixes áspera and aspirar
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. áspera runs 6 letters (VCCVCV) against aspirar's 7 (VCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses áspera with aspirar
These two trip readers on the page rather than in the ear: áspera is [ˈaspeɾa] while aspirar is [aspiˈɾaɾ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 51009, 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]. aspirar is at rank #13,618, tagged as averb, pronounced [aspiˈɾaɾ].
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 51009, this pair ranks #100,180 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of áspera vs aspirar
Shared letters: aprs. Private to "áspera": eá. Private to "aspirar": i.
"áspera" · 6 letters · shape VCCVCV · "aspirar" · 7 letters · shape VCCVCVC
Known mistypes of this pair
- aspirar ← apsirar · asiprar · aspiarr · aspirarr · aspirrar · asppirar · aspriar · asspirar
Frequently Asked Questions
Is swapping "áspera" for "aspirar" ever safe?
Which is more common, "áspera" or "aspirar"?
What to do next
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 "aspirar" - compare definitions side by side with the headword page. Word entry
- This pair ranks #100,180 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "áspera" and "aspirar" also get mixed up with nearby pairs, the highest-scored neighbour is "áspera vs aspire". 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 #100,180 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.