stabilise vs beef up

stabilise and beef up both are verbs.

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

As verbs, beef up is a hypernym of stabilise; that is, beef up is a word with a broader meaning than stabilise:

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

Other hypernyms of stabilise include fortify, strengthen.

stabilise (verb)	beef up (verb)
become stable or more stable	make strong or stronger
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