Strong’s Greek
G5246 — huperogkos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὑπέρογκος
huperogkos — pronounced hoop-er'-ong-kos
from 5228 and 3591; bulging over, i.e. (figuratively) insolent:--great swelling. see GREEK for 5228 see GREEK for 3591
2 occurrences in the KJV.
2 Peter 2:18
For when they speak great swelling words of vanity, they allure through the lusts of the flesh, through much wantonness, those that were clean escaped from them who live in error.
Jude 1:16
These are murmurers, complainers, walking after their own lusts; and their mouth speaketh great swelling words, having men’s persons in admiration because of advantage.