# mysterious vs mysteriously

> English confusable word pair

## The two words

### mysterious
*adjective · IPA /mɪˈstɪə̯.ɹi.əs/ · frequency rank #5,440*
Of unknown origin.

### mysteriously
*adverb · frequency rank #20,714*
In a mysterious manner.

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