Noun

• S: (n) rain, rainfall (water falling in drops from vapor condensed in the atmosphere)
• direct hyponym / full hyponym
• S: (n) monsoon (any wind that changes direction with the seasons)
• S: (n) rainstorm (a storm with rain)
• S: (n) downpour, cloudburst, deluge, waterspout, torrent, pelter, soaker (a heavy rain)
• S: (n) drizzle, mizzle (very light rain; stronger than mist but less than a shower)
• S: (n) shower, rain shower (a brief period of precipitation) "the game was interrupted by a brief shower"
• part meronym
• S: (n) raindrop (a drop of rain)
• direct hypernym / inherited hypernym / sister term
• part holonym
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) rain, rainwater (drops of fresh water that fall as precipitation from clouds)
• S: (n) rain, pelting (anything happening rapidly or in quick successive) "a rain of bullets"; "a pelting of insults"

Verb

• S: (v) rain, rain down (precipitate as rain) "If it rains much more, we can expect some flooding"