popsicle vs ice lolly

popsicle and ice lolly both are nouns.

Word	Noun	Adjective	Verb	Adverb
popsicle	Yes	No	No	No
ice lolly	Yes	No	No	No

As nouns, popsicle and ice lolly are synonyms defined as:

Other synonyms of popsicle include lollipop, lolly.

popsicle (noun)	ice lolly (noun)
ice cream or water ice on a small wooden stick	ice cream or water ice on a small wooden stick