en·dear·ment
inˈdirmənt,enˈdirmənt/
noun;
a word or phrase expressing love or affection.
synonyms: term of affection, term of endearment, pet name; More
love or affection."a term of endearment"
synonyms: affection, fondness, tenderness, feeling, sentiment, warmth, love, liking, care
"he spoke to her with endearment"