お大事に[odaijini] take care of yourself
暗黒大陸[ankokutairiku] Dark Continent (i.e. Africa)
伊勢大神宮[isedaijinguu] the Grand Shrines of Ise
伊勢大廟[isetaibyou] the Grand Shrines of Ise
偉大[idai] greatness

医科大学[ikadaigaku] medical school
医大[idai] medical university
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一大[ichidai] one large ...
一大事[ichidaiji] serious affair

寒武利亜[kanburia] Cambria (old name for Wales)
亜寒帯[akantai] subarctic zone
悪寒[okan] chill
寒い[samui] cold (e.g. weather)
寒がり[samugari] sensitivity to cold

寒がる[samugaru] to be bothered by coldness
寒さ[samusa] coldness
寒害[kangai] damage from cold weather
寒気[samuke] chill
寒ぞら[samuzora] cold weather