trammel vs irons

trammel and irons both are nouns.

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

As nouns, irons is a hyponym of trammel; that is, irons is a word with a more specific, narrower meaning than trammel:

trammel: a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)
irons: metal shackles; for hands or legs

Other hyponyms of trammel include ball and chain, fetter, hobble, cuff, handcuff, handlock, manacle, chains.

trammel (noun)	irons (noun)
a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)	metal shackles; for hands or legs
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

trammel (verb)	irons (verb)
place limits on (extent or amount or access)
catch in or as if in a trap