| innate(adjective, characteristic, natural, fixed, emotional) |
| deep-rooted(adjective, complete, continue, true, natural) |
| inherent(adjective, characteristic, natural, fixed, essential) |
| ingrained(adjective, characteristic, complete, continue, true) |
| essential(adjective, characteristic, natural, original, basic) |
| gut(adjective, feeling, emotional, intimate, secret) |
| intimate(adjective, characteristic, natural, emotional, essential) |
| intrinsic(adjective, characteristic, natural, original, fixed) |
| internal(adjective, characteristic, natural, emotional, essential) |
| inbred(adjective, characteristic, natural, fixed, persistent) |
| viscerous(adjective, emotional, intimate, secret, private) |
| emotional(noun, adjective, feeling, private, mental) |
| inborn(adjective, characteristic, natural, fixed, persistent) |
| inner(adjective, private, mental, gut, intuitive) |
| interior(adjective, emotional, intimate, secret, private) |
| deep(adjective, great, obscure, down, original) |
| fixed(adjective, set, complete, true, natural) |
| secret(adjective, intimate, private, mental, penetrating) |
| basic(adjective, characteristic, natural, original, essential) |
| entrenched(adjective, set, complete, continue, true) |