demarcate vs trammel

demarcate is not a noun while trammel is a noun.

Word	Noun	Adjective	Verb	Adverb
demarcate	No	No	Yes	No
trammel	Yes	No	Yes	No

As verbs, trammel is a hypernym of demarcate; that is, trammel is a word with a broader meaning than demarcate:

Other hypernyms of demarcate include bound, confine, limit, restrict, throttle.

demarcate (noun)	trammel (noun)
	a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)
	a restraint that is used to teach a horse to amble
	an adjustable pothook set in a fireplace
	a fishing net with three layers; the outer two are coarse mesh and the loose inner layer is fine mesh

demarcate (verb)	trammel (verb)
set, mark, or draw the boundaries of something	place limits on (extent or amount or access)
separate clearly, as if by boundaries	catch in or as if in a trap