The antonyms for the word "inheritances" would be words that signify the opposite of inheriting something. These words could include "dispossession," "loss," "rejection," "deprivation," "seizure," or "divestment." Each of these words carries a negative connotation and implies a sense of being denied something that one may have expected to attain, just as an inheritance is often seen as a positive or valuable asset. In contrast to inheritance, these words suggest a sense of being disadvantaged, deprived or excluded from something that was otherwise expected or hoped for.