agudavsayudaWhich spelling fits?

Quick tell: aguda is a adjective, ayuda is a noun, so they fill different roles in a sentence.

Which to use

“aguda” is an adjective and “ayuda” is a noun - they look or sound alike but fill different roles in a sentence.

#10,962
“aguda” frequency rank
#386
“ayuda” frequency rank
11348
confusion score

Side-by-Side Comparison

Feature aguda ayuda
Definition Forma del femenino singular de agudo. Acción o efecto de ayudar.

Where the eye mixes aguda and ayuda

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
aguda
5 ch
ayuda

Why the eye confuses aguda with ayuda

These two trip readers on the page rather than in the ear: aguda is [aˈɣ̞uð̞a] while ayuda is [aˈʝuð̞a]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - g in “aguda” becomes y in “ayuda”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11348, derived from the frequency rank of both members and their visual similarity.

aguda is recorded at frequency rank #10,962, classified as anadj, pronounced [aˈɣ̞uð̞a]. ayuda is at rank #386, tagged as anoun, pronounced [aˈʝuð̞a].

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 11348, this pair ranks #295,431 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aguda vs ayuda

Shared letters: adu. Private to "aguda": g. Private to "ayuda": y.

"aguda" · 5 letters · shape VCVCV  ·  "ayuda" · 5 letters · shape VVVCV

Known mistypes of this pair

  • agudaagdua · agguda · aguad · agudda · augda · gauda
  • ayudaauyda · aydua · ayuad · ayudda · ayyuda · yauda

Frequently Asked Questions

Is swapping "aguda" for "ayuda" ever safe?
No - they are not even the same part of speech. "aguda" is an adjective and "ayuda" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "aguda" or "ayuda"?
"ayuda" is the more common of the two: it sits at frequency rank #386 in our Spanish list, against #10,962 for "aguda". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "aguda" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ayuda" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #295,431 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aguda" and "ayuda" also get mixed up with nearby pairs, the highest-scored neighbour is "acudí vs aguda". 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 #295,431 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