Strong's G2744 — καυχάομαι (verb)
kauchaomai (kau-khah'-om-ai) v.
1. to vaunt
{in a good or a bad sense}
[from some (obsolete) base akin to that of aucheo "to boast" and G2172]
KJV: (make) boast, glory, joy, rejoice 
Root(s): G2172 
Hebrew root: εὔχομαι
Occurrences: 38