audvsayeWhich spelling fits?

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

Which to use

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

#23,464
“aud” frequency rank
#8,388
“aye” frequency rank
31852
confusion score

Side-by-Side Comparison

Feature aud aye
Definition Alternative form of auld. Ever, always.

Where the eye mixes aud and aye

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

3 ch
aud
3 ch
aye

Visual trap between aud and aye

These two trip readers on the page rather than in the ear: aud is /əʊd/ while aye is /eɪ/. 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 (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 31852, derived from the frequency rank of both members and their visual similarity.

aud is recorded at frequency rank #23,464, classified as anadj, pronounced /əʊd/. aye is at rank #8,388, tagged as anadv, pronounced /eɪ/.

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 31852, this pair ranks #342,681 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aud vs aye

Shared letters: a. Private to "aud": du. Private to "aye": ey.

"aud" · 3 letters · shape VVC  ·  "aye" · 3 letters · shape VVV

Frequently Asked Questions

Do "aud" and "aye" mean the same thing in a sentence?
No - they are not even the same part of speech. "aud" is an adjective and "aye" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aud" vs "aye" - which ranks higher?
"aye" is the more common of the two: it sits at frequency rank #8,388 in our English list, against #23,464 for "aud". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "aud" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aye" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #342,681 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "aud" and "aye" also get mixed up with nearby pairs, the highest-scored neighbour is "amb vs aud". Nearby pair

Confusion rank #342,681 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list