huecavshuecasWhich spelling fits?

Quick tell: hueca is a adverb, huecas is an adjective, so they fill different roles in a sentence.

Which to use

“hueca” is an adverb and “huecas” is an adjective - they look or sound alike but fill different roles in a sentence.

#21,356
“hueca” frequency rank
#35,548
“huecas” frequency rank
56904
confusion score

Side-by-Side Comparison

Feature hueca huecas
Definition Lejos. Forma del femenino plural de hueco.

Where the eye mixes hueca and huecas

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. hueca runs 5 letters (CVVCV) against huecas's 6 (CVVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
hueca
6 ch
huecas

Look-alike desk: hueca vs huecas

These two trip readers on the page rather than in the ear: hueca is /ˈwe.ka/ while huecas is [ˈ(ɣ̞)w̝ekas]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “hueca” sits inside “huecas”, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 56904, derived from the frequency rank of both members and their visual similarity.

hueca is recorded at frequency rank #21,356, classified as anadv, pronounced /ˈwe.ka/. huecas is at rank #35,548, tagged as anadj, pronounced [ˈ(ɣ̞)w̝ekas].

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 56904, this pair ranks #72,649 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of hueca vs huecas

Shared letters: acehu. Private to "hueca": -. Private to "huecas": s.

"hueca" · 5 letters · shape CVVCV  ·  "huecas" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • hueca ← heuca · hhueca · hucea · hueac · huecca · uheca
  • huecas ← heucas · hhuecas · huceas · hueacs · huecass · hueccas · uhecas

Frequently Asked Questions

Do "hueca" and "huecas" mean the same thing in a sentence?
No - they are not even the same part of speech. "hueca" is an adverb and "huecas" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "hueca" or "huecas" show up more?
"hueca" is the more common of the two: it sits at frequency rank #21,356 in our Spanish list, against #35,548 for "huecas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "hueca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "huecas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #72,649 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "hueca" and "huecas" also get mixed up with nearby pairs, the highest-scored neighbour is "huecas vs hueles". 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 #72,649 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