brink vs edge

brink and edge both are nouns.

Word	Noun	Adjective	Verb	Adverb
brink	Yes	No	No	No
edge	Yes	No	Yes	No

As nouns, edge is a hypernym of brink; that is, edge is a word with a broader meaning than brink:

Other hypernyms of brink include border.

As nouns, edge is a hypernym of brink; that is, edge is a word with a broader meaning than brink:

Other hypernyms of brink include bound, boundary.

brink (noun)	edge (noun)
the limit beyond which something happens or changes	a sharp side formed by the intersection of two surfaces of an object
the edge of a steep place	the outside limit of an object or area or surface; a place farthest away from the center of something
a region marking a boundary	a slight competitive advantage
	the attribute of urgency in tone of voice
	the boundary of a surface
	a line determining the limits of an area

brink (verb)	edge (verb)
	lie adjacent to another or share a boundary
	provide with an edge
	advance slowly, as if by inches
	provide with a border or edge