immobilizing vs restraint

immobilizing and restraint both are nouns.

Word	Noun	Adjective	Verb	Adverb
immobilizing	Yes	No	No	No
restraint	Yes	No	No	No

As nouns, restraint is a hypernym of immobilizing; that is, restraint is a word with a broader meaning than immobilizing:

immobilizing (noun)	restraint (noun)
the act of limiting movement or making incapable of movement	the act of controlling by restraining someone or something
	a device that retards something's motion
	discipline in personal and social activities
	lack of ornamentation
	a rule or condition that limits freedom
	the state of being physically constrained