お冷[ohiya] cold (drinking) water
花冷え[hanabie] chilly spring weather
寒冷[kanrei] cold
興冷め[kyouzame] kill-joy
空冷[kuurei] air cooling

空冷式[kuureishiki] air-cooled
水冷式[suireishiki] water-cooled
頭を冷やす[atamawohiyasu] to cool down one's anger
保冷[horei] keep cool

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

渦巻[uzumaki] whirlpool
渦巻く[uzumaku] to whirl
渦状[kajou] spiral
渦中[kachuu] vortex
渦潮[uzushio] whirling tides

渦動[kadou] vortex
渦紋[kamon] whirlpool design
渦流[karyuu] swirling current
渦巻き形[uzumakigata] spiral-shaped