Strong's #7309: rvachah (pronounced rev-aw-khaw')
feminine of 7305; relief:--breathing, respite.
Brown-Driver-Briggs Hebrew Lexicon:
revâchâh
1) respite, relief
Part of Speech: noun feminine
Relation: from H7305
Usage:
This word is used 2 times:
Exodus 8:15: "saw that there was respite, he hardened his heart, and hearkened"
Lamentations 3:56: "hide not thine ear at my breathing, at my cry."