downpour vs soaker

downpour and soaker both are nouns.

Word	Noun	Adjective	Verb	Adverb
downpour	Yes	No	No	No
soaker	Yes	No	No	No

As nouns, downpour and soaker are synonyms defined as:

Other synonyms of downpour include cloudburst, deluge, pelter, torrent, waterspout.

downpour (noun)	soaker (noun)
a heavy rain	a person who drinks alcohol to excess habitually
	a heavy rain