elephant vs allegory

elephant and allegory both are nouns.

Word	Noun	Adjective	Verb	Adverb
elephant	Yes	No	No	No
allegory	Yes	No	No	No

As nouns, allegory is a hypernym of elephant; that is, allegory is a word with a broader meaning than elephant:

elephant: the symbol of the Republican Party; introduced in cartoons by Thomas Nast in 1874
allegory: a visible symbol representing an abstract idea

Other hypernyms of elephant include emblem.

elephant (noun)	allegory (noun)
five-toed pachyderm	a short moral story (often with animal characters)
the symbol of the Republican Party; introduced in cartoons by Thomas Nast in 1874	an expressive style that uses fictional characters and events to describe some subject by suggestive resemblances; an extended metaphor
	a visible symbol representing an abstract idea