# modules vs modulus

> English confusable word pair

## The two words

### modules
*noun · IPA /ˈmɒdjuːlz/ · frequency rank #11,252*
plural of module

### modulus
*noun · IPA /ˈmɒdjʊləs/ · frequency rank #39,433*
The base with respect to which a congruence is computed.

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