What is another word for "inner"?

Roget's Thesaurus (1911) lists these synonyms for "inner": abdomen, abdominal, accessory, adviser, advocate, air, assistant, association, attorney, backbone, bait, banco, bar, barrister, beagle, belly, bencher, better, bosom, brace, bracing, break, breast, breath, breathe, breather, call, cave, center, circumscribe, civilian, coating, coeliac, cold, come, concavity, consult, contents, conveyancer, counsel.