# day vs def

> Portuguese confusable word pair

## The two words

### day
*noun · IPA /deɪ/ · frequency rank #2,512*
dia (período de 24 horas)

### def
*adjective · IPA /dɛf/ · frequency rank #32,132*
algo muito bom

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/pt/vs/day-vs-def