Breathe (verb) – respirar
(Pronounced reh-spee-rahr)
To remember that breathe is pronounced reh-spee-rahr (respirar) in Spanish, use the following mnemonic:
He couldn't breathe properly so they put him on an artificial respirator (respirar).

Examples of respirar (breathe) in a sentence
Necesito respirar aire fresco cada mañana.
(I need to breathe fresh air every morning.)
Por favor, respira profundamente y relájate.
(Please, breathe deeply and relax.)
Los pulmones nos permiten respirar sin esfuerzo.
(Our lungs allow us to breathe effortlessly.)