# firstly vs firsts

> English confusable word pair

## The two words

### firstly
*adverb · IPA /ˈfɜɹstli/ · frequency rank #10,694*
In the first place; before anything else; first.

### firsts
*noun · IPA /fɜːsts/ · frequency rank #30,422*
plural of first

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