事後: post-, after the fact / 爾後: thereafter / 耳語: private talk, whispering / 持碁: game of go ending in a draw

年号: An era name.

擁護: protection / 用語: term / 養護: nursing / 洋語: Western language / 用後: after use

擁護: protect / 養護: nurse

五段: an abbreviation for 五段活用

後日: in the future, later, a later day, another day; after the occurrence of some event, etc / 期日: an expected or promised day

ワゴン: a wagon (US), a waggon (UK); a station wagon (US), an estate car (UK) / 和琴, 倭琴: (music) a six-stringed koto or zither used to perform kagura music, more common in ancient times

万劫: an extremely long period of time; eternity

外語: foreign language; external language

内語: native language; internal language