immobilize vs curtail

immobilize and curtail both are verbs.

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

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

Other hypernyms of immobilize include curb, cut back, restrict.

immobilize (verb)	curtail (verb)
cause to be unable to move	place restrictions on
prohibit the conversion or use of (assets)	terminate or abbreviate before its intended or proper end or its full extent
convert (assets) into fixed capital
make defenseless
to hold fast or prevent from moving
hold as reserve or withdraw from circulation; of capital