# optimally vs optionally

> English confusable word pair

## The two words

### optimally
*adverb · frequency rank #38,080*
In an optimal manner.

### optionally
*adverb · IPA /ˈɑpʃənəli/ · frequency rank #38,081*
In an optional manner; not mandatorily.

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