immobilize vs immobilizing

immobilize is not a noun while immobilizing is a noun.

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

immobilize (noun)	immobilizing (noun)
	the act of limiting movement or making incapable of movement

immobilize (verb)	immobilizing (verb)
cause to be unable to move
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