# arginine vs asinine

> English confusable word pair

## The two words

### arginine
*noun · IPA /ˈɑɹɡɪniːn/ · frequency rank #41,511*
An amino acid found in animal foods that plays an important role in several physiological processes.

### asinine
*adjective · IPA /ˈæs.ɪ.naɪn/ · frequency rank #49,193*
Very foolish; failing to exercise intelligence or judgement or rationality.

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