From G3982; persuasion, that is, 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
From G3641 and G4102; incredulous, that is, lackingconfidence (in Christ)
KJV Usage: of little faith.
From G4102; to havefaith (in, upon, or with respect to, a person or thing), that is, credit; by implication to entrust (especially one’s spiritual well being to Christ)
KJV Usage: believe (-r), commit (to trust), put in trust with.