mutability

n. 易变性,性情不定

musk-rose, musket, musketeer, musketry, musky, Muslim, Muslim (also Moslem), muslin, musquash, muss, mussel, must, mustache, mustachio, mustang, mustard, mustard gas, muster, mustiness, musty, mutable, mutant, mutate, mutation, mutatis mutandis, mute, muted, mutely, muteness, mutilate, mutilation, mutineer, mutinous, mutinously, mutiny, mutt, mutter, mutterer, muttering, mutton,