Strong's G1965 — ἐπίορκος (adjective)
epiorkos (ep-ee'-or-kos) adj.
1. on oath
2. (falsely) a forswearer
[from G1909 and G3727]
KJV: perjured person 
Root(s): G1909, G3727 
Hebrew root: ὅρκος
Occurrences: 1