allovsautoTell them apart

Which to use

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

#40,110
“allo” frequency rank
#3,099
“auto” frequency rank
43209
confusion score

Side-by-Side Comparison

Feature allo auto
Definition Allosexual and/or alloromantic; experiencing sexual and/or romantic attraction. Clipping of automatic (of a gearbox/transmission).

Where the eye mixes allo and auto

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

4 ch
allo
4 ch
auto

Look-alike desk: allo vs auto

A purely visual mix-up. allo (/ˈæ.ləʊ/) and auto (/ˈɔːtəʊ/) 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 43209, derived from the frequency rank of both members and their visual similarity.

allo is recorded at frequency rank #40,110, classified as anadj, pronounced /ˈæ.ləʊ/. auto is at rank #3,099, tagged as anadj, pronounced /ˈɔːtəʊ/.

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 43209, this pair ranks #242,195 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of allo vs auto

Shared letters: ao. Private to "allo": l. Private to "auto": tu.

"allo" · 4 letters · shape VCCV  ·  "auto" · 4 letters · shape VVCV

Known mistypes of this pair

  • alloalo · alol · lalo
  • autoatuo · auot · autto · uato

Frequently Asked Questions

Can "allo" and "auto" be used interchangeably?
No. They are said differently (/ˈæ.ləʊ/ versus /ˈɔːtəʊ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "allo" or "auto"?
"auto" is the more common of the two: it sits at frequency rank #3,099 in our English list, against #40,110 for "allo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "allo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "auto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #242,195 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "allo" and "auto" also get mixed up with nearby pairs, the highest-scored neighbour is "algo vs allo". 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 #242,195 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