Which to use
“automatic” is an adjective and “automaton” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,862
- “automatic” frequency rank
- #42,534
- “automaton” frequency rank
- 46396
- confusion score
Side-by-Side Comparison
| Feature | automatic | automaton |
|---|---|---|
| Definition | Capable of operating without external control or intervention. | A machine or robot designed to follow a precise sequence of instructions. |
Where the eye mixes automatic and automaton
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.
Why the eye confuses automatic with automaton
These two trip readers on the page rather than in the ear: automatic is /ˌɔː.təˈmæt.ɪk/ while automaton is /ɔːˈtɒmətən/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 46396, derived from the frequency rank of both members and their visual similarity.
automatic is recorded at frequency rank #3,862, classified as anadj, pronounced /ˌɔː.təˈmæt.ɪk/. automaton is at rank #42,534, tagged as anoun, pronounced /ɔːˈtɒmətən/.
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 46396, this pair ranks #212,151 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of automatic vs automaton
Shared letters: amotu. Private to "automatic": ci. Private to "automaton": n.
"automatic" · 9 letters · shape VVCVCVCVC · "automaton" · 9 letters · shape VVCVCVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "automatic" for "automaton" ever safe?
Frequency check: "automatic" vs "automaton" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "automatic" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "automaton" - compare definitions side by side with the headword page. Word entry
- This pair ranks #212,151 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "automatic" and "automaton" also get mixed up with nearby pairs, the highest-scored neighbour is "automata vs automaton". 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 #212,151 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.