close friend, bosom buddy / crony, chum

産地: place of production / 山地: mountainous area

サンチ: centimeter, especially of cannon caliber

one's house

抗日: anti-Japanese

地溝: graben / 地窖: hole dug in the ground, cellar / 治効: treatment efficacy / 知巧, 智巧: ingenuity / 知行: knowledge and action / 恥垢: smegma / 遅効: delayed effect

知行: a male given name

(chiefly women's speech) first person singular pronoun: I, me

Alternative spelling of 私達 (“we; us”)

(polite) first-person singular pronoun: I, me