This is the 3201st most frequent French word.
repose
Rest; relaxation.
Here, "repose" is conjugated in the present tense to mean 'rests.' It describes the act of relaxing oneself after exertion.
Après une longue journée, elle se repose sur le canapé.
After a long day, she rests on the couch.
In this sentence, "repos" is a noun meaning 'rest' or 'repose.' It reflects the state of relaxation after effort or activity.
Le repos des guerriers est mérité après la bataille.
The warriors' rest is deserved after the battle.
Here, "reposez-vous" is the formal imperative form of 'repose,' a verb suggesting taking rest or relaxation for preparation or recovery.