| endogenous(adjective, remote, inside, central, interior) |
| gut(adjective, inside, central, interior, inner) |
| home(adjective, inside, central, interior, inner) |
| in-house(adjective, remote, inside, central, interior) |
| inland(adjective, remote, inside, central, interior) |
| innermost(adjective, remote, inside, central, interior) |
| internal(adjective, inside, central, interior, inner) |
| intimate(adjective, inside, central, interior, inner) |
| inward(adjective, inside, central, interior, inner) |
| private(adjective, inside, central, interior, inner) |
| remote(adjective, inside, central, interior, inner) |
| secret(adjective, inside, central, interior, inner) |
| viscerous(adjective, inside, central, interior, inner) |
| domestic(adjective, inside, central, interior, inner) |
| autogenic |
| inner(adjective, inside, central, interior, internal) |
| interior(adjective, inside, central, inner, internal) |
| visceral(adjective, inside, central, interior, inner) |
| inside(adjective, inner, internal, inlying) |
| self-generated |