Synonyms and related words :
abdomen, anus, appendix, being, blind gut, bones, bosom, bowels, brain, breast, cecum, colon, duodenum, endocardium, entrails, esprit, foregut, giblets, gizzard, guts, heart, heart of hearts, heartstrings, hindgut, inmost heart, inmost soul, innards, inner mechanism, innermost being, insides, internals, intestine, inwards, jejunum, kidney, kishkes, large intestine, liver, liver and lights, lung, midgut, perineum, pump, pylorus, rectum, secret places, small intestine, soul, spirit, spleen, stomach, stuffing, ticker, tripes, vermiform appendix, vitals, works