apéndicevsapéndicesTell them apart

Which to use

“apéndice” and “apéndices” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,152
“apéndice” frequency rank
#37,960
“apéndices” frequency rank
56112
confusion score

Side-by-Side Comparison

Feature apéndice apéndices
Definition Parte accesoria de algo, que cuelga o sobresale, generalmente alargada y de pequeño tamaño. Forma del plural de apéndice.

Where the eye mixes apéndice and apéndices

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. apéndice runs 8 letters (VCVCCVCV) against apéndices's 9 (VCVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
apéndice
9 ch
apéndices

Look-alike desk: apéndice vs apéndices

A purely visual mix-up. apéndice ([aˈpẽn̪d̪ise]) and apéndices ([aˈpẽn̪d̪ises]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “apéndice” sits inside “apéndices”. Our composite confusion score for this pair is 56112, derived from the frequency rank of both members and their visual similarity.

apéndice is recorded at frequency rank #18,152, classified as anoun, pronounced [aˈpẽn̪d̪ise]. apéndices is at rank #37,960, tagged as anoun, pronounced [aˈpẽn̪d̪ises].

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 56112, this pair ranks #75,991 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of apéndice vs apéndices

Shared letters: acdeinpé. Private to "apéndice": -. Private to "apéndices": s.

"apéndice" · 8 letters · shape VCVCCVCV  ·  "apéndices" · 9 letters · shape VCVCCVCVC

Frequently Asked Questions

Is swapping "apéndice" for "apéndices" ever safe?
No. They are said differently ([aˈpẽn̪d̪ise] versus [aˈpẽn̪d̪ises]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "apéndice" or "apéndices"?
"apéndice" is the more common of the two: it sits at frequency rank #18,152 in our Spanish list, against #37,960 for "apéndices". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "apéndice" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "apéndices" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #75,991 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "apéndice" and "apéndices" also get mixed up with nearby pairs, the highest-scored neighbour is "apéndices vs aprendices". Nearby pair

Confusion rank #75,991 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