Strong's G5255 — ὑπήκοος (adjective)
hupekoos (hoop-ay'-koh-os) adj.
1. attentively listening
2. (by implication) submissive
[from G5219]
KJV: obedient 
Root(s): G5219 
Hebrew root: ὑπακούω
Occurrences: 3