Nouns

(n)affection, affectionateness, fondness, tenderness, heart, warmness, warmheartedness, philiaa positive feeling of liking“he had trouble expressing the affection he felt”, “the child won everyone's heart”, “the warmness of his welcome made us feel right at home”
(n)warmth, warmnessthe quality of having a moderate degree of heat“an agreeable warmth in the house”