Strong’s Greek
G2754 — kenodoxia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κενοδοξία
kenodoxia — pronounced ken-od-ox-ee'-ah
from 2755; empty glorying, i.e. self-conceit:--vain-glory. see GREEK for 2755
1 occurrence in the KJV.
Philippians 2:3
Let nothing be done through strife or vainglory; but in lowliness of mind let each esteem other better than themselves.