Which to use
“pollutant” is a noun and “polluting” is an adjective - they look or sound alike but fill different roles in a sentence.
- #42,344
- “pollutant” frequency rank
- #26,554
- “polluting” frequency rank
- 68898
- confusion score
Side-by-Side Comparison
| Feature | pollutant | polluting |
|---|---|---|
| Definition | A foreign substance that makes something dirty, or impure, especially waste from human activities. | Causing pollution; having a tendency to pollute. |
Letter map: pollutant vs polluting
Shared letters muted; letters that set pollutant and polluting apart highlighted. Shared run: 7.
Role in the sentence - pollutant and polluting
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pollutant is anoun and pollutinganadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 68898, derived from the frequency rank of both members and their visual similarity.
pollutant is recorded at frequency rank #42,344, classified as anoun, pronounced /pəˈl(j)uːtənt/. polluting is at rank #26,554, tagged as anadj.
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 68898, this pair ranks #56,898 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of pollutant vs polluting
Shared letters: lnoptu. Private to "pollutant": a. Private to "polluting": gi.
"pollutant" · 9 letters · shape CVCCVCVCC · "polluting" · 9 letters · shape CVCCVCVCC
Known mistypes of this pair
Frequently Asked Questions
Can "pollutant" and "polluting" be used interchangeably?
Which is more common, "pollutant" or "polluting"?
Useful next steps
Done with this confusable. These links stay specific to "pollutant" and "polluting".
- Full dictionary entry for "pollutant" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "polluting" - compare definitions side by side with the headword page. Word entry
- This pair ranks #56,898 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "pollutant" and "polluting" also get mixed up with nearby pairs, the highest-scored neighbour is "polluting vs pouting". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #56,898 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.