五字母词根: memor
memor=memory记忆
memory
memorize
memorable
memorial
commemorate
memorandum
五字母词根: path(o),pathy疾病,疗法
neuropathy
dermatopathy
pathology
pathologist
五字母词根: polis/polit城市
necropolis
acropolis
cosmopolis
cosmopolitan
megalopolis
metropolis
metropolitan