Which to use
“defective” is an adjective and “detective” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,494
- “defective” frequency rank
- #5,025
- “detective” frequency rank
- 18519
- confusion score
Side-by-Side Comparison
| Feature | defective | detective |
|---|---|---|
| Definition | Having one or more defects. | A police officer tasked with collecting evidence and information in order to solve a crime; an investigator. |
Where the spellings diverge
Shared letters are muted; the letters that actually set defective and detective apart are highlighted. They share 8 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: defective is /dɪˈfɛktɪv/ while detective is /dɪˈtɛktɪv/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - f in “defective” becomes t in “detective”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 18519, derived from the frequency rank of both members and their visual similarity.
defective is recorded at frequency rank #13,494, classified as anadj, pronounced /dɪˈfɛktɪv/. detective is at rank #5,025, tagged as anoun, pronounced /dɪˈtɛktɪv/.
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 18519, this pair ranks #444,339 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of defective vs detective
Shared letters: cdeitv. Private to "defective": f. Private to "detective": -.
"defective" · 9 letters · shape CVCVCCVCV · "detective" · 9 letters · shape CVCVCCVCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "defective" and "detective" be used interchangeably?
Which is more common, "defective" or "detective"?
Remembering defective vs detective
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “defective”; for a noun, it's “detective”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “defective” entry
- Browse more pairs most likely to be confused. Most confusable