AITvsaseWhich spelling fits?

Quick tell: AIT is a abbrev, ase is a verb, so they fill different roles in a sentence.

Which to use

“AIT” is an abbrev and “ase” is a verb - they look or sound alike but fill different roles in a sentence.

#41,173
“AIT” frequency rank
#30,766
“ase” frequency rank
71939
confusion score

Side-by-Side Comparison

Feature AIT ase
Definition Sigla de Asociación Internacional de los Trabajadores. Primera persona del singular (yo) del presente de subjuntivo de asar.

Where the eye mixes AIT and ase

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
AIT
3 ch
ase

Visual trap between AIT and ase

These two trip readers on the page rather than in the ear: AIT is [ˈajt̪] while ase is [ˈase]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (abbrev vs verb), which is usually the fastest check. Our composite confusion score for this pair is 71939, derived from the frequency rank of both members and their visual similarity.

AIT is recorded at frequency rank #41,173, classified as anabbrev, pronounced [ˈajt̪]. ase is at rank #30,766, tagged as averb, pronounced [ˈase].

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 71939, this pair ranks #26,416 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of AIT vs ase

Shared letters: a. Private to "AIT": it. Private to "ase": es.

"AIT" · 3 letters · shape VVC  ·  "ase" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "AIT" for "ase" ever safe?
No - they are not even the same part of speech. "AIT" is an abbrev and "ase" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "AIT" or "ase" show up more?
"ase" is the more common of the two: it sits at frequency rank #30,766 in our Spanish list, against #41,173 for "AIT". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "AIT" and "ase" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "AIT" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ase" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #26,416 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "AIT" and "ase" also get mixed up with nearby pairs, the highest-scored neighbour is "AIT vs apis". Nearby pair

Confusion rank #26,416 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