Which to use
“nineteen” is a num and “nineties” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,201
- “nineteen” frequency rank
- #24,255
- “nineties” frequency rank
- 37456
- confusion score
Side-by-Side Comparison
| Feature | nineteen | nineties |
|---|---|---|
| Definition | The cardinal number occurring after eighteen and before twenty, represented in Roman numerals as XIX and in Arabic numerals as 19. It is the last/largest of the "teens". | plural of ninety |
Letter map: nineteen vs nineties
Shared letters muted; letters that set nineteen and nineties apart highlighted. Shared run: 6.
Part-of-speech tell for nineteen / nineties
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nineteen is anum and ninetiesanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 37456, derived from the frequency rank of both members and their visual similarity.
nineteen is recorded at frequency rank #13,201, classified as anum, pronounced /ˈnaɪntiːn/. nineties is at rank #24,255, tagged as anoun.
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 37456, this pair ranks #294,445 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of nineteen vs nineties
Shared letters: eint. Private to "nineteen": -. Private to "nineties": s.
"nineteen" · 8 letters · shape CVCVCVVC · "nineties" · 8 letters · shape CVCVCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "nineteen" and "nineties" mean the same thing in a sentence?
Which is more common, "nineteen" or "nineties"?
Useful next steps
Done with this confusable. These links stay specific to "nineteen" and "nineties".
- Full dictionary entry for "nineteen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "nineties" - compare definitions side by side with the headword page. Word entry
- This pair ranks #294,445 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "nineteen" and "nineties" also get mixed up with nearby pairs, the highest-scored neighbour is "nineteen vs nineteenth". 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 #294,445 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.