rain

nouns

water falling in drops from vapor condensed in the atmosphere
rain, rainfall
is derived from
rainy
drops of fresh water that fall as precipitation from clouds
rain, rainwater
is derived from
rainy
anything happening rapidly or in quick successive
"a rain of bullets"; "a pelting of insults"
pelting, rain

verbs

precipitate as rain
"If it rains much more, we can expect some flooding"
rain, rain down