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

お遣い[otsukai] errand
遣り繰り[yarikuri] making do
遣り取り[yaritori] giving and taking
遣り方[yarikata] manner of doing
遣る[yaru] to send

遣す[yokosu] to send
為て遣る[shiteyaru] to do for (someone)
かな遣い[kanazukai] kana orthography
気遣い[kizukai] consideration
気遣う[kizukau] to worry about