| at heart(expression, idiom, adverb, reality) |
| bowel(noun, adjective, stomach, intestinal) |
| centre |
| enclosed(adjective, interior, inner, internal, within) |
| home(adjective, interior, inner, internal, within) |
| in-house(adjective, interior, inner, internal, within) |
| inland(adjective, inner, internal, interiority, inlying) |
| innards(noun, pack, content, heart, core) |
| inwardly(adverb, secretly, privately) |
| personal(adjective, near, special, individual, intimate) |
| bowels(noun, middle, interior, lining, insides) |
| inmost(adjective, mean, middle, inner, interiority) |
| into |
| privy(adjective, special, intimate, secret, private) |
| shrewd(sharp, smart, astute) |
| stomach(noun, adjective, middle, exterior, belly) |
| stuffing(noun, pack, content, center, middle) |
| bosom(noun, heart, core, center, nucleus) |
| breast(noun, middle, interior, lining, insides) |
| centralized(adjective, interior, inner, internal, within) |