雨子[amago] land-locked variety of red-spotted masu trout (Oncorhynchus masou ishikawae)
ひと雨[hitoame] shower
雨雲[amagumo] rain cloud
雨蛙[amagaeru] tree frog (esp. the Japanese tree frog, Hyla japonica)
雨笠[amagasa] rain hat

雨具[amagu] rain gear
雨空[amazora] rainy sky
雨靴[amagutsu] waterproof shoes
雨戸[amado] sliding storm shutter

秋霖[shuurin] autumn rain
霖雨[rinu] long spell of rain
秋霖前線[shuurinzensen] autumn rain front

春霖[shunrin] spring rain
梅霖[bairin] rainy season
陰霖[inrin] long period of rain