crabapple vs wild apple

crabapple and wild apple both are nouns.

Word	Noun	Adjective	Verb	Adverb
crabapple	Yes	No	No	No
wild apple	Yes	No	No	No

As nouns, crabapple and wild apple are synonyms defined as:

crabapple and wild apple: any of numerous wild apple trees usually with small acidic fruit

Other synonyms of crabapple include crab apple.

crabapple (noun)	wild apple (noun)
small sour apple; suitable for preserving	any of numerous wild apple trees usually with small acidic fruit
any of numerous wild apple trees usually with small acidic fruit
any of numerous varieties of crab apples cultivated for their small acidic (usually bright red) fruit used for preserves or as ornamentals for their blossoms