Which to use
“carcinogen” is a noun and “carcinogenic” is an adjective - they look or sound alike but fill different roles in a sentence.
- #48,118
- “carcinogen” frequency rank
- #37,367
- “carcinogenic” frequency rank
- 85485
- confusion score
Side-by-Side Comparison
| Feature | carcinogen | carcinogenic |
|---|---|---|
| Definition | A substance or agent that can cause cancer. | Causing or tending to cause cancer. |
Where the spellings diverge
Shared letters are muted; the letters that actually set carcinogen and carcinogenic apart are highlighted. They share 10 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: carcinogen is /kɑɹˈsɪnəd͡ʒən/ while carcinogenic is /ˌkɑː(ɹ)sɪnəˈd͡ʒɛnɪk/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “carcinogen” sits inside “carcinogenic”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 85485, derived from the frequency rank of both members and their visual similarity.
carcinogen is recorded at frequency rank #48,118, classified as anoun, pronounced /kɑɹˈsɪnəd͡ʒən/. carcinogenic is at rank #37,367, tagged as anadj, pronounced /ˌkɑː(ɹ)sɪnəˈd͡ʒɛnɪk/.
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 85485, this pair ranks #10,318 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of carcinogen vs carcinogenic
Shared letters: aceginor. Private to "carcinogen": -. Private to "carcinogenic": -.
"carcinogen" · 10 letters · shape CVCCVCVCVC · "carcinogenic" · 12 letters · shape CVCCVCVCVCVC
Known mistypes of this pair
- carcinogen ← acrcinogen · cacrinogen · carccinogen · carcingoen · carcinnogen · carcinoegn · carcinogenn · carcinoggen
- carcinogenic ← acrcinogenic · cacrinogenic · carccinogenic · carcingoenic · carcinnogenic · carcinoegnic · carcinogeinc · carcinogenci
Frequency comparison
Frequently Asked Questions
Can "carcinogen" and "carcinogenic" be used interchangeably?
Which is more common, "carcinogen" or "carcinogenic"?
Remembering carcinogen vs carcinogenic
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “carcinogen”; for an adjective, it's “carcinogenic”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “carcinogen” entry
- Browse more pairs most likely to be confused. Most confusable