asesvsayerTell them apart

Which to use

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

#28,642
“ases” frequency rank
#701
“ayer” frequency rank
29343
confusion score

Side-by-Side Comparison

Feature ases ayer
Definition Forma del plural de as. Día inmediatamente anterior al de hoy.

Where the eye mixes ases and ayer

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
ases
4 ch
ayer

Visual trap between ases and ayer

A purely visual mix-up. ases ([ˈases]) and ayer ([aˈʝeɾ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 29343, derived from the frequency rank of both members and their visual similarity.

ases is recorded at frequency rank #28,642, classified as anoun, pronounced [ˈases]. ayer is at rank #701, tagged as anoun, pronounced [aˈʝeɾ].

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 29343, this pair ranks #217,467 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ases vs ayer

Shared letters: ae. Private to "ases": s. Private to "ayer": ry.

"ases" · 4 letters · shape VCVC  ·  "ayer" · 4 letters · shape VVVC

Known mistypes of this pair

  • asesaess · asess · asse · asses
  • ayeraeyr · ayerr · ayre · ayyer · yaer

Frequently Asked Questions

Do "ases" and "ayer" mean the same thing in a sentence?
No. They are said differently ([ˈases] versus [aˈʝeɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ases" or "ayer"?
"ayer" is the more common of the two: it sits at frequency rank #701 in our Spanish list, against #28,642 for "ases". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "ases" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ayer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #217,467 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ases" and "ayer" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs ases". 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 #217,467 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