| intuitive(adjective, feeling, physical, feelings, natural) |
| internal(adjective, body, heart, emotional, secret) |
| instinctive(adjective, physical, natural, emotional, perceptive) |
| splanchnic(adjective, interior, abdomen, viscera, internal organs) |
| gut(adjective, body, slang, heart, emotional) |
| interior(adjective, body, heart, emotional, secret) |
| inner(adjective, body, private, mental, inside) |
| innate(adjective, physical, natural, heart, emotional) |
| instinctual(adjective, physical, natural, primitive, spontaneous) |
| intestinal(adjective, interior, stomach, bodily, inward) |
| inward(adjective, body, mental, inside, interior) |
| intrinsic(adjective, natural, heart, secret, private) |
| inherent(adjective, natural, heart, secret, private) |
| emotional(adjective, feeling, feelings, private, mental) |
| intimate(adjective, body, heart, emotional, secret) |
| abdominal(adjective, interior, stomach, bodily, inward) |
| physical(adjective, body, instinctive, bodily, inward) |
| inborn(adjective, physical, natural, secret, private) |
| ingrained(adjective, natural, secret, private, primitive) |
| natural(adjective, physical, emotional, perceptive, primitive) |