こたいぐん
個体群 population

こたいさ
個体差 individual difference

こたいねんりょう
固体燃料 solid fuel

こたいはっせい
個体発生 ontogeny ontogenesis

こたいはっせいろん
個体発生論 ontogeny

こたいぶつりがく
固体物理学 solid state physics

こたえ
答え 答 answer response

こたえにくいしつもん
答え難い質問 awkward (difficult) question

こたえる
応える to respond to answer to strike home to take its toll to reward 堪える 耐える 断える to bear to stand to endure to put up with to support to withstand to resist to brave to be fit for to be equal to 答える to answer to reply

こたえをしぶる
答えを渋る to be reluctant to answer to hesitate to answer

こたつ
炬燵 火燵 table with heater (orig) charcoal brazier in a floor well

こたつがけ
火燵掛布 cover for kotatsu

こたつぶとん
火燵布団 cover for kotatsu

こたん
古潭 village (Ainu term) 枯淡 elegant simplicity