maple-leaf vs allegory

maple-leaf and allegory both are nouns.

Word	Noun	Adjective	Verb	Adverb
maple-leaf	Yes	No	No	No
allegory	Yes	No	No	No

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

Other hypernyms of maple-leaf include emblem.

maple-leaf (noun)	allegory (noun)
the emblem of Canada	a short moral story (often with animal characters)
	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