Strong's #1365: distazo (pronounced dis-tad'-zo)

from 1364; properly, to duplicate, i.e. (mentally) to waver (in opinion):--doubt.

Thayer's Greek Lexicon:

́

distazō

1) to doubt, waiver

Part of Speech: verb

Relation: from G1364

Usage:

This word is used 2 times:

 

Matthew 14:31: "unto him, O thou of little faith, wherefore didst thou doubt?"
Matthew 28:17: "him: but some doubted."