Strong's #7536: roq (pronounced roke)
from 7556; spittle:--spit(-ting, -tle).
Brown-Driver-Briggs Hebrew Lexicon:
rôq
1) spittle
Part of Speech: noun masculine
Relation: from H7556
Usage:
This word is used 3 times:
Job 7:19: "let me alone till I swallow down my spittle?"
Job 30:10: "from me, and spare not to spit in my face."
Isaiah 50:6: "not my face from shame and spitting."