内語: native language; internal language

孫の手: backscratcher

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

raw egg

child born to a mother soon after a previous child

犬小屋: doghouse

五つ子: quintuplets

米語: American English

連語: compound word, collocation