# teeming vs testing

> English confusable word pair

## The two words

### teeming
*verb · IPA /ˈtiːmɪŋ/ · frequency rank #31,375*
present participle and gerund of teem

### testing
*adjective · IPA /ˈtɛs.tɪŋ/ · frequency rank #2,184*
Difficult; tough.

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