天魚[amago] land-locked variety of red-spotted masu trout (Oncorhynchus masou ishikawae)
御天気[otenki] weather
コール天[kooruten] corded velveteen
破天連[pateren] Portuguese Jesuits (in Japan in the 16th century)
天鵝絨[tengajuu] velvet

悪天[akuten] bad weather
悪天候[akutenkou] bad weather
悪天使[akutenshi] evil angels
旭日昇天[kyokujitsushouten] full of vigor and vitality (like the rising sun) (vigour)
一天[itten] the whole sky

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