Strong's G5576 — ψευδομαρτυρέω (verb)
pseudomartureo (psyoo-dom-ar-too-reh'-o) v.
1. to be an untrue testifier, i.e. offer falsehood in evidence
[from G5575]
KJV: be a false witness 
Root(s): G5575 
Hebrew root: ψευδομάρτυρ
Occurrences: 5