sweeper vs carpet sweeper

sweeper and carpet sweeper both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweeper	Yes	No	No	No
carpet sweeper	Yes	No	No	No

As nouns, sweeper and carpet sweeper are synonyms defined as:

sweeper and carpet sweeper: a cleaning implement with revolving brushes that pick up dirt as the implement is pushed over a carpet

sweeper (noun)	carpet sweeper (noun)
little-known nocturnal fish of warm shallow seas with an oblong compressed body	a cleaning implement with revolving brushes that pick up dirt as the implement is pushed over a carpet
a cleaning implement with revolving brushes that pick up dirt as the implement is pushed over a carpet
an employee who sweeps (floors or streets etc.)