chain vs link

chain and link both are nouns.

Word	Noun	Adjective	Verb	Adverb
chain	Yes	No	Yes	No
link	Yes	No	Yes	No

chain (noun)	link (noun)
a series of (usually metal) rings or links fitted into one another to make a flexible ligament	a fastener that serves to join or connect
a necklace made by stringing objects together	a two-way radio communication system (usually microwave); part of a more extensive telecommunication network
anything that acts as a restraint	an interconnecting circuit between two or more locations for the purpose of transmitting and receiving data
a linked or connected series of objects	a channel for communication between groups
a series of things depending on each other as if linked together	(computing) an instruction that connects one part of a program or an element on a list to another program or list
(business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership	a unit of length equal to 1/100 of a chain
(chemistry) a series of linked atoms (generally in an organic molecule)	the means of connection between things linked in series
a series of hills or mountains	a connecting shape
a unit of length	the state of being connected

chain (verb)	link (verb)
fasten or secure with chains	make a logical or causal connection
connect or arrange into a chain by linking	connect, fasten, or put together two or more pieces
	link with or as with a yoke
	be or become joined or united or linked