Which to use
“debug” is a verb and “drug” is a noun - they look or sound alike but fill different roles in a sentence.
- #34,458
- “debug” frequency rank
- #1,422
- “drug” frequency rank
- 35880
- confusion score
Side-by-Side Comparison
| Feature | debug | drug |
|---|---|---|
| Definition | To search for and eliminate malfunctioning elements or errors in something, especially a computer program or machinery. | A substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose. |
Where the spellings diverge
Shared letters are muted; the letters that actually set debug and drug apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
debug and drug 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 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 35880, derived from the frequency rank of both members and their visual similarity.
debug is recorded at frequency rank #34,458, classified as averb, pronounced /diːˈbʌɡ/. drug is at rank #1,422, tagged as anoun, pronounced /dɹʌɡ/.
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 35880, this pair ranks #308,128 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "debug" and "drug" be used interchangeably?
Remembering debug vs drug
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “debug”; for a noun, it's “drug”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “debug” entry
- Browse more pairs most likely to be confused. Most confusable