五字母词根: lingu
lingu=language语言
linguist
linguistic
linguistics
bilingual
五字母词根: liter
liter=letter文字,字母
literate
literacy
illiterate
illiteracy
五字母词根: lumin
lumin=光
luminesce
luminary
luminescent
luminiferous
五字母词根: memor
memor=memory记忆
memory
memorize
memorable
memorial
commemorate
memorandum