acidsvsavisWhich spelling fits?

Which to use

“acids” and “avis” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#8,884
“acids” frequency rank
#32,685
“avis” frequency rank
41569
confusion score

Side-by-Side Comparison

Feature acids avis
Definition plural of acid advice; opinion; deliberation.

Letter map: acids vs avis

Shared letters muted; letters that set acids and avis apart highlighted. Shared run: 3.

5 ch
acids
4 ch
avis

Pair insight - acids / avis

acids and avis are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41569, derived from the frequency rank of both members and their visual similarity.

acids is recorded at frequency rank #8,884, classified as anoun, pronounced /ˈæ.sɪdz/. avis is at rank #32,685, tagged as anoun.

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 41569, this pair ranks #257,109 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acids vs avis

Shared letters: ais. Private to "acids": cd. Private to "avis": v.

"acids" · 5 letters · shape VCVCC  ·  "avis" · 4 letters · shape VCVC

Known mistypes of this pair

  • acidsaccids · acdis · acidds · acidss · acisd · aicds · caids
  • avisaivs · aviss · avsi · avvis · vais

Frequently Asked Questions

Do "acids" and "avis" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "acids" vs "avis" - which ranks higher?
"acids" is the more common of the two: it sits at frequency rank #8,884 in our English list, against #32,685 for "avis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "acids" and "avis".

  • Full dictionary entry for "acids" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "avis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #257,109 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "acids" and "avis" also get mixed up with nearby pairs, the highest-scored neighbour is "Advil vs avis". 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 #257,109 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