# nifty vs ninety

> English confusable word pair

## The two words

### nifty
*adjective · IPA /ˈnɪfti/ · frequency rank #23,344*
Good, smart; useful or beneficial, often in an impressively clever way.

### ninety
*num · IPA /ˈnaɪn.ti/ · frequency rank #11,078*
The cardinal number occurring after eighty-nine and before ninety-one, represented in Roman numerals as XC and in Arabic numerals as 90.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/nifty-vs-ninety