γογγυστής G1113
gongystḗs · gong-goos-tace' · Noun Masculine
from γογγύζω; a grumbler:--murmurer.
1 Occurrence in the King James Bible
Jude 1:16These are murmurers, complainers, walking after their own lusts; and their mouth speaketh great swelling words, having men’s persons in admiration because of advantage.