pusher vs bassinet

pusher and bassinet both are nouns.

Word	Noun	Adjective	Verb	Adverb
pusher	Yes	No	No	No
bassinet	Yes	No	No	No

As nouns, bassinet is a hyponym of pusher; that is, bassinet is a word with a more specific, narrower meaning than pusher:

pusher: a small vehicle with four wheels in which a baby or child is pushed around
bassinet: a perambulator that resembles a bassinet

pusher (noun)	bassinet (noun)
a small vehicle with four wheels in which a baby or child is pushed around	a basket (usually hooded) used as a baby's bed
a sandal attached to the foot by a thong over the toes	a perambulator that resembles a bassinet
someone who pushes
an unlicensed dealer in illegal drugs
one who intrudes or pushes himself forward