sucker vs lollipop

sucker and lollipop both are nouns.

Word	Noun	Adjective	Verb	Adverb
sucker	Yes	No	No	No
lollipop	Yes	No	No	No

As nouns, sucker and lollipop are synonyms defined as:

Other synonyms of sucker include all-day sucker.

sucker (noun)	lollipop (noun)
mostly North American freshwater fishes with a thick-lipped mouth for feeding by suction; related to carps	hard candy on a stick
an organ specialized for sucking nourishment or for adhering to objects by suction	ice cream or water ice on a small wooden stick
hard candy on a stick
flesh of any of numerous North American food fishes with toothless jaws
a drinker who sucks (as at a nipple or through a straw)
a person who is gullible and easy to take advantage of
a shoot arising from a plant's roots