bracing vs reinforcement

bracing and reinforcement both are nouns.

Word	Noun	Adjective	Verb	Adverb
bracing	Yes	Yes	No	No
reinforcement	Yes	No	No	No

As nouns, reinforcement is a hypernym of bracing; that is, reinforcement is a word with a broader meaning than bracing:

Other hypernyms of bracing include strengthener, structural member.

bracing (noun)	reinforcement (noun)
a structural member used to stiffen a framework	an act performed to strengthen approved behavior
	a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
	a device designed to provide additional strength
	(psychology) a stimulus that strengthens or weakens the behavior that produced it
	information that makes more forcible or convincing

bracing (adjective)	reinforcement (adjective)
imparting vitality and energy