Which to use
“adept” is an adjective and “adult” is a noun - they look or sound alike but fill different roles in a sentence.
- #18,747
- “adept” frequency rank
- #1,654
- “adult” frequency rank
- 20401
- confusion score
Side-by-Side Comparison
| Feature | adept | adult |
|---|---|---|
| Definition | Well skilled; completely versed; thoroughly proficient | An animal that is full-grown. |
Where the eye mixes adept and adult
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. adept and adult follow the identical consonant-vowel pattern (VCVCC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses adept with adult
These two trip readers on the page rather than in the ear: adept is /əˈdɛpt/ while adult is /ˈæd.ʌlt/. 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 20401, derived from the frequency rank of both members and their visual similarity.
adept is recorded at frequency rank #18,747, classified as anadj, pronounced /əˈdɛpt/. adult is at rank #1,654, tagged as anoun, pronounced /ˈæd.ʌlt/.
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 20401, this pair ranks #431,334 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of adept vs adult
Shared letters: adt. Private to "adept": ep. Private to "adult": lu.
"adept" · 5 letters · shape VCVCC · "adult" · 5 letters · shape VCVCC
Known mistypes of this pair
Frequently Asked Questions
Can "adept" and "adult" be used interchangeably?
Frequency check: "adept" vs "adult" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "adept" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "adult" - compare definitions side by side with the headword page. Word entry
- This pair ranks #431,334 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "adept" and "adult" also get mixed up with nearby pairs, the highest-scored neighbour is "adept vs appt". 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 #431,334 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.