beef up vs stabilize

beef up and stabilize both are verbs.

Word	Noun	Adjective	Verb	Adverb
beef up	No	No	Yes	No
stabilize	No	No	Yes	No

As verbs, stabilize is a hyponym of beef up; that is, stabilize is a word with a more specific, narrower meaning than beef up:

beef up: make strong or stronger
stabilize: support or hold steady and make steadfast, with or as if with a brace

beef up (verb)	stabilize (verb)
make strong or stronger	become stable or more stable
	make stable and keep from fluctuating or put into an equilibrium
	support or hold steady and make steadfast, with or as if with a brace