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

酷しい[ikameshii] severe
厳酷[genkoku] severity
酷なやり方[kokunayarikata] cruel deed
酷寒[kokkan] severe (intense) cold
酷刑[kokkei] severe punishment

酷使[kokushi] exploitation
酷似[kokuji] resemblance
酷暑[kokusho] intense heat
酷税[kokuzei] heavy taxation
酷評[kokuhyou] severe criticism