κενοφωνία G2757
kenophōnía · ken-of-o-nee'-ah · Noun Feminine
from a presumed compound of κενός and φωνή; empty sounding, i.e. fruitless discussion:--vain.
2 Occurrences in the King James Bible
1 Timothy 6:20O Timothy, keep that which is committed to thy trust, avoiding profane and vain babblings, and oppositions of science falsely so called:
2 Timothy 2:16But shun profane and vain babblings: for they will increase unto more ungodliness.