幹事[kanji] executive secretary
幹事会[kanjikai] board of governors
幹事長[kanjichou] chief secretary (usu. of a party)
幹線[kansen] main line
幹線道路[kansendouro] main road

幹竹割り[karatakewari] cutting straight down
幹部[kanbu] management
幹部会[kanbukai] board of directors
幹流[kanryuu] main current
幹理[kanri] superintendence

亜細亜[ajia] Asia (esp. "the Far East")
委細[isai] details
委細面談[isaimendan] details when I see you
共産党細胞[kyousantousaibou] communist cell
些細[sasai] trivial

細細[komagoma] minutely
細細[hosoboso] poor (living)
細い[hosoi] thin
細か[komaka] small
細かい[komakai] small

胚芽[haiga] germ (of a cereal, e.g. wheat, rice)
胚子[haishi] embryo
胚珠[haishu] ovule
胚胎[haitai] germination
胚乳[hainyuu] albumen (of a seed, esp. the endosperm)

胚葉[haiyou] germ (germinal, embryonic) layers
外胚葉[gaihaiyou] ectoderm
胚性幹細胞[haiseikansaibou] embryonic stem cell
胚性[haisei] embryonic

芽胞[gahou] spore
気胞[kihou] bladder
共産党細胞[kyousantousaibou] communist cell
細胞[saibou] cell (biology)
細胞核[saiboukaku] nucleus (cell, biology)

細胞学[saibougaku] cytology
細胞質[saiboushitsu] cytoplasm
細胞膜[saiboumaku] cellular membrane
小液胞[shouekihou] vesicle
單細胞[tansaibou] single cell