be all and end all vs component

be all and end all and component both are nouns.

Word	Noun	Adjective	Verb	Adverb
be all and end all	Yes	No	No	No
component	Yes	No	No	No

As nouns, component is a hypernym of be all and end all; that is, component is a word with a broader meaning than be all and end all:

be all and end all: the essential factor; the all-important element; the supreme aim
component: an abstract part of something

Other hypernyms of be all and end all include constituent, element, factor, ingredient.

be all and end all (noun)	component (noun)
the essential factor; the all-important element; the supreme aim	an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
	an abstract part of something
	something determined in relation to something that includes it