Which to use
“apt” is an adjective and “auto” is a noun - they look or sound alike but fill different roles in a sentence.
- #29,641
- “apt” frequency rank
- #1,803
- “auto” frequency rank
- 31444
- confusion score
Side-by-Side Comparison
| Feature | apt | auto |
|---|---|---|
| Definition | Enclin, disposé, dif=susceptible de, avoir tendance à. | Automobile. |
Letter map: apt vs auto
Shared letters muted; letters that set apt and auto apart highlighted. Shared run: 2.
Grammar separator: apt vs auto
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: apt is anadjective and autoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31444, derived from the frequency rank of both members and their visual similarity.
apt is recorded at frequency rank #29,641, classified as anadj. auto is at rank #1,803, tagged as anoun, pronounced \o.to\.
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 31444, this pair ranks #303,735 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of apt vs auto
Shared letters: at. Private to "apt": p. Private to "auto": ou.
"apt" · 3 letters · shape VCC · "auto" · 4 letters · shape VVCV
Known mistypes of this pair
- auto ← atuo · auot · autto · uato
Frequently Asked Questions
Is swapping "apt" for "auto" ever safe?
In ordinary French text, does "apt" or "auto" show up more?
Useful next steps
Done with this confusable. These links stay specific to "apt" and "auto".
- Full dictionary entry for "apt" 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 #303,735 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "apt" and "auto" also get mixed up with nearby pairs, the highest-scored neighbour is "apt vs aur". 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 #303,735 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.