cloud seeder vs seeder

cloud seeder and seeder both are nouns.

Word	Noun	Adjective	Verb	Adverb
cloud seeder	Yes	No	No	No
seeder	Yes	No	No	No

As nouns, cloud seeder and seeder are synonyms defined as:

cloud seeder (noun)	seeder (noun)
a person who seeds clouds	a kitchen utensil that removes seeds from fruit
	a mechanical device that sows grass seed or grain evenly over the ground
	a person who seeds clouds