| inherent(adjective, start, basic, be, native) |
| integral(adjective, intrinsic, included) |
| intrinsic(adjective, start, basic, be, native) |
| constitutional(adjective, start, be, native, inherent) |
| ingrained(adjective, start, be, native, intrinsic) |
| congenital(adjective, characteristic, start, complete, natural) |
| essential(adjective, included) |
| inborn(adjective, start, be, native, included) |
| inbred(adjective, start, be, native, included) |
| inbuilt |
| innate(adjective, start, be, native, included) |
| native(adjective, start, be, native, innate) |
| implicit(adjective, intrinsic, included) |
| indwelling(adjective, start, be, native, included) |
| component(adjective, include, intrinsic) |
| connatural(adjective, start, be, native, innate) |
| deep-seated(adjective, ingrained, included) |
| elemental(adjective, start, be, native, intrinsic) |
| incorporated(adjective, fixed, include, included) |
| indigenous(adjective, start, be, native) |