amusement park vs funfair

amusement park and funfair both are nouns.

Word	Noun	Adjective	Verb	Adverb
amusement park	Yes	No	No	No
funfair	Yes	No	No	No

As nouns, amusement park and funfair are synonyms defined as:

amusement park and funfair: a commercially operated park with stalls and shows for amusement

Other synonyms of amusement park include pleasure ground.

amusement park (noun)	funfair (noun)
a commercially operated park with stalls and shows for amusement	a traveling show; having sideshows and rides and games of skill etc.
	a commercially operated park with stalls and shows for amusement