# debo vs deir

> Spanish confusable word pair

## The two words

### debo
*verb · IPA [ˈd̪eβ̞o] · frequency rank #1,845*
Primera persona del singular (yo) del presente de indicativo de deber.

### deir
*adjective · IPA [ˈdɛjr] · frequency rank #46,473*
Mutación suave del adjetivo numeral cardinal femenino teir ('tres')

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