Strong’s Greek
G2133 — eunoia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
εὔνοια
eunoia — pronounced yoo'-noy-ah
from the same as 2132; kindness; euphemistically, conjugal duty:--benevolence, good will. see GREEK for 2132
2 occurrences in the KJV.
1 Corinthians 7:3
Let the husband render unto the wife due benevolence: and likewise also the wife unto the husband.
Ephesians 6:7
With good will doing service, as to the Lord, and not to men: