probably from the base of μασσάομαι (through the idea of contact); a whip (literally, the Roman flagellum for criminals; figuratively, a disease):--plague, scourging.
from παρά and δίδωμι; to surrender, i.e yield up, intrust, transmit:--betray, bring forth, cast, commit, deliver (up), give (over, up), hazard, put in prison, recommend.
neuter and masculine respectively from δέω; a band, i.e. ligament (of the body) or shackle (of a prisoner); figuratively, an impediment or disability:--band, bond, chain, string.
from πείθω; persuasion, i.e. credence; moral conviction (of religious truth, or the truthfulness of God or a religious teacher), especially reliance upon Christ for salvation; abstractly, constancy in such profession; by extension, the system of religious (Gospel) truth itself:--assurance, belief, believe, faith, fidelity.