Which to use
“impede” is a verb and “impure” is an adjective - they look or sound alike but fill different roles in a sentence.
- #24,197
- “impede” frequency rank
- #30,840
- “impure” frequency rank
- 55037
- confusion score
Side-by-Side Comparison
| Feature | impede | impure |
|---|---|---|
| Definition | To get in the way of; to hinder. | Not pure |
Where the spellings diverge
Shared letters are muted; the letters that actually set impede and impure 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: impede is /ɪmˈpiːd/ while impure is /ɪmˈpjʊə(ɹ)/. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 55037, derived from the frequency rank of both members and their visual similarity.
impede is recorded at frequency rank #24,197, classified as averb, pronounced /ɪmˈpiːd/. impure is at rank #30,840, tagged as anadj, pronounced /ɪmˈpjʊə(ɹ)/.
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 55037, this pair ranks #136,622 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of impede vs impure
Shared letters: eimp. Private to "impede": d. Private to "impure": ru.
"impede" · 6 letters · shape VCCVCV · "impure" · 6 letters · shape VCCVCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "impede" and "impure" be used interchangeably?
Which is more common, "impede" or "impure"?
Remembering impede vs impure
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “impede”; for an adjective, it's “impure”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “impede” entry
- Browse more pairs most likely to be confused. Most confusable