Which to use
“apnea” is a noun and “appear” is a verb - they look or sound alike but fill different roles in a sentence.
- #28,817
- “apnea” frequency rank
- #1,475
- “appear” frequency rank
- 30292
- confusion score
Side-by-Side Comparison
| Feature | apnea | appear |
|---|---|---|
| Definition | The cessation of breathing, most often in reference to transient instances thereof during sleep. | To come or be in sight; to be in view; to become visible. |
Where the spellings diverge
Shared letters are muted; the letters that actually set apnea and appear apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: apnea is /ˈæp.ni.ə/ while appear is /əˈpɪə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 30292, derived from the frequency rank of both members and their visual similarity.
apnea is recorded at frequency rank #28,817, classified as anoun, pronounced /ˈæp.ni.ə/. appear is at rank #1,475, tagged as averb, pronounced /əˈpɪə/.
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 30292, this pair ranks #355,796 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of apnea vs appear
Shared letters: aep. Private to "apnea": n. Private to "appear": r.
"apnea" · 5 letters · shape VCCVV · "appear" · 6 letters · shape VCCVVC
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "apnea" and "appear" be used interchangeably?
Which is more common, "apnea" or "appear"?
Remembering apnea vs appear
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “apnea”; for a verb, it's “appear”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “apnea” entry
- Browse more pairs most likely to be confused. Most confusable