in the grain

built-in constitutional deep-rooted deep-seated essential fundamental genetic implicit ingrained innate instinctive internal intrinsic latent natural

characteristic congenital connate distinctive elementary fixed immanent inborn inbred inbuilt indigenous indispensable individual indwelling inherited inner integral integrated intimate inward native original part-and-parcel resident running in the family subjective unalienable

acquired auxiliary extra extrinsic learned minor secondary superficial unimportant

added external incidental