Which to use
“defect” is a noun and “detect” is a verb - they look or sound alike but fill different roles in a sentence.
- #11,531
- “defect” frequency rank
- #6,557
- “detect” frequency rank
- 18088
- confusion score
Side-by-Side Comparison
| Feature | defect | detect |
|---|---|---|
| Definition | A fault or malfunction. | To discover or find by careful search, examination, or probing. |
Where the spellings diverge
Shared letters are muted; the letters that actually set defect and detect apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
defect and detect form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by a single letter - f in “defect” becomes t in “detect” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 18088, derived from the frequency rank of both members and their visual similarity.
defect is recorded at frequency rank #11,531, classified as anoun, pronounced /ˈdiːfɛkt/. detect is at rank #6,557, tagged as averb, pronounced /dɪˈtɛkt/.
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 18088, this pair ranks #447,188 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "defect" and "detect" be used interchangeably?
Remembering defect vs detect
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “defect”; for a verb, it's “detect”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “defect” entry
- Browse more pairs most likely to be confused. Most confusable