paralyze vs immobilize

paralyze and immobilize both are verbs.

Word	Noun	Adjective	Verb	Adverb
paralyze	No	No	Yes	No
immobilize	No	No	Yes	No

As verbs, immobilize is a hypernym of paralyze; that is, immobilize is a word with a broader meaning than paralyze:

Other hypernyms of paralyze include immobilise.

paralyze (verb)	immobilize (verb)
cause to be paralyzed and immobile	cause to be unable to move
make powerless and unable to function	prohibit the conversion or use of (assets)
	convert (assets) into fixed capital
	make defenseless
	to hold fast or prevent from moving
	hold as reserve or withdraw from circulation; of capital