There once was a theory that Greek roots take "ize" and Latin roots "ise". The OED says "bastard" is from medieval Latin bastardus, probably from bastum ‘packsaddle’ (?!).
There once was a theory that Greek roots take "ize" and Latin roots "ise". The OED says "bastard" is from medieval Latin bastardus, probably from bastum ‘packsaddle’ (?!).