heart Synonyms

gist kernel nerve spirit mettle spunk substance core essence fondness center affection tenderness centre courage meat soul marrow inwardness nitty-gritty heart and soul focus middle crux nub ticker bravery pith bosom pump warmheartedness voluntariness bedrock fundamentals valor hardihood umbilicus dauntlessness touchwood first principles fearlessness waist warmness point of departure vitals viscera warmth wick withholder virtuality