adiciónvsadmisiónWhich spelling fits?

Which to use

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

#12,747
“adición” frequency rank
#8,462
“admisión” frequency rank
21209
confusion score

Side-by-Side Comparison

Feature adición admisión
Definition Acción o efecto de sumar, añadir, agregar o adicionar. Acción o efecto de admitir (aceptar, recibir, permitir).

Where the eye mixes adición and admisión

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. adición runs 7 letters (VCVCVVC) against admisión's 8 (VCCVCVVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
adición
8 ch
admisión

Look-alike desk: adición vs admisión

A purely visual mix-up. adición ([að̞iˈsjõn]) and admisión ([að̞miˈsjõn]) 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 letter(s) in length. Our composite confusion score for this pair is 21209, derived from the frequency rank of both members and their visual similarity.

adición is recorded at frequency rank #12,747, classified as anoun, pronounced [að̞iˈsjõn]. admisión is at rank #8,462, tagged as anoun, pronounced [að̞miˈsjõn].

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 21209, this pair ranks #255,920 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of adición vs admisión

Shared letters: adinó. Private to "adición": c. Private to "admisión": ms.

"adición" · 7 letters · shape VCVCVVC  ·  "admisión" · 8 letters · shape VCCVCVVC

Frequently Asked Questions

Can "adición" and "admisión" be used interchangeably?
No. They are said differently ([að̞iˈsjõn] versus [að̞miˈsjõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "adición" vs "admisión" - which ranks higher?
"admisión" is the more common of the two: it sits at frequency rank #8,462 in our Spanish list, against #12,747 for "adición". 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 "adición" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "admisión" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #255,920 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "adición" and "admisión" also get mixed up with nearby pairs, the highest-scored neighbour is "admisión vs admisiones". Nearby pair

Confusion rank #255,920 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