changeling Synonyms

substitute half-wit idiot cretin imbecile stand-in exchange replacement succedaneum supplanter surrogate variable swap fill-in backup understudy vicar imposter moron altered form Changelings temporary expedient toolbox shapeshifter shape-shifter imbecilic ersatz sub counterfeit comparison changer changing changed auxiliary assistant analogy alternative alternating alternate altering deputy double shifter retard representative relief rat proxy mongoloid makeshift