tie up vs chain up

tie up and chain up both are verbs.

Word	Noun	Adjective	Verb	Adverb
tie up	No	No	Yes	No
chain up	No	No	Yes	No

As verbs, chain up is a hyponym of tie up; that is, chain up is a word with a more specific, narrower meaning than tie up:

Other hyponyms of tie up include faggot, faggot up, fagot, faggot, fagot, hog-tie.

tie up (verb)	chain up (verb)
secure with or as if with ropes	tie up with chains
finish the last row
restrain from moving or operating normally
secure in or as if in a berth or dock
invest so as to make unavailable for other purposes