Dict: strongs - G2054
Strongs:
G2042 @ ἐρεθίζω erethizō er-eth-id'-zo From a presumed prolonged form of G2054; to stimulate (especially to anger): - provoke.
G2051 @ ἐρίζω erizō er-id'-zo From G2054; to wrangle: - strive.
G2054 @ ἔρις eris er'-is Of uncertain affinity; a quarrel that is (by implication) wrangling: - contention debate strife variance.