abstract entity vs entity

abstract entity and entity both are nouns.

Word	Noun	Adjective	Verb	Adverb
abstract entity	Yes	No	No	No
entity	Yes	No	No	No

As nouns, entity is a hypernym of abstract entity; that is, entity is a word with a broader meaning than abstract entity:

abstract entity: a general concept formed by extracting common features from specific examples
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstract entity (noun)	entity (noun)
a general concept formed by extracting common features from specific examples	that which is perceived or known or inferred to have its own distinct existence (living or nonliving)