sprayer vs nebuliser

sprayer and nebuliser both are nouns.

Word	Noun	Adjective	Verb	Adverb
sprayer	Yes	No	No	No
nebuliser	Yes	No	No	No

As nouns, sprayer and nebuliser are synonyms defined as:

sprayer and nebuliser: a dispenser that turns a liquid (such as perfume) into a fine mist

Other synonyms of sprayer include atomiser, atomizer, nebulizer, spray.

sprayer (noun)	nebuliser (noun)
a dispenser that turns a liquid (such as perfume) into a fine mist	a dispenser that turns a liquid (such as perfume) into a fine mist
a worker who applies spray to a surface