brolly vs umbrella

brolly and umbrella both are nouns.

Word	Noun	Adjective	Verb	Adverb
brolly	Yes	No	No	No
umbrella	Yes	Yes	No	No

As nouns, umbrella is a hypernym of brolly; that is, umbrella is a word with a broader meaning than brolly:

brolly (noun)	umbrella (noun)
colloquial terms for an umbrella	a formation of military planes maintained over ground operations or targets
	having the function of uniting a group of similar things
	a lightweight handheld collapsible canopy

brolly (adjective)	umbrella (adjective)
	covering or applying simultaneously to a number of similar items or elements or groups