Strong’s Greek
G5581 — pseudonumos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ψευδώνυμος
pseudonumos — pronounced psyoo-do'-noo-mos
from 5571 and 3686; untruly named:--falsely so called. see GREEK for 5571 see GREEK for 3686
1 occurrence in the KJV.
1 Timothy 6:20
O Timothy, keep that which is committed to thy trust, avoiding profane and vain babblings, and oppositions of science falsely so called: