exteriority Antonyms

inner surface fundamentals fundamental principle bedrock waist wainscot vitals viscera trunnion tenor symbolization substance root rhizome polestar pith penetralia nucleus meeting place crown jewel cornerstone central location central core showpiece rallying point forefront epicentre epicenter centre of attention Central Point center of attention HQ centre of gravity bowels bottom line life cycle infielder nerve centre nucleolus nub nidus crux core concentrate centrum centrepiece centerpiece centre center cardiac