Fray
Part of speech: noun
Definition: Affray; broil; contest; combat; brawl; melee.
Part of speech: verb
Definition: To unravel; used particularly for the edge of something made of cloth, or the end of a rope. To cause exhaustion, wear out (a person's mental strength).
Frazzle
Part of speech: verb
Definition: To fray or wear down, especially at the edges.To drain emotionally or physically