1. bosom
2. intuition, hunch, suspicion, pump
3. ticker, internal organ, viscus, mettle
4. nerve, spunk, courage, courageousness, bravery, center
5. centre, middle, eye, area, country, kernel
6. substance, core, center, essence, gist, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty, content, cognitive content, mental object, spirit
7. disposition, temperament, plane figure
8. two-dimensional figure, variety meat
9. organs, affection
10. affectionateness, fondness, tenderness, warmheartedness, feeling, playing card