tie vs link

tie and link both are nouns.

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

As nouns, tie and link are synonyms defined as:

Other synonyms of tie include linkup, tie-in.

As verbs, tie and link are synonyms defined as:

Other synonyms of tie include connect, link up.

As verbs, link is a hypernym of tie; that is, link is a word with a broader meaning than tie:

Other hypernyms of tie include connect, link up, tie.

tie (noun)	link (noun)
a cord (or string or ribbon or wire etc.) with which something is tied	a fastener that serves to join or connect
neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front	a two-way radio communication system (usually microwave); part of a more extensive telecommunication network
a horizontal beam used to prevent two other structural members from spreading apart or separating	an interconnecting circuit between two or more locations for the purpose of transmitting and receiving data
one of the cross braces that support the rails on a railway track	a channel for communication between groups
a fastener that serves to join or connect	(computing) an instruction that connects one part of a program or an element on a list to another program or list
(music) a slur over two notes of the same pitch; indicates that the note is to be sustained for their combined time value	a unit of length equal to 1/100 of a chain
the finish of a contest in which the score is tied and the winner is undecided	the means of connection between things linked in series
equality of score in a contest	a connecting shape
a social or business relationship	the state of being connected

tie (verb)	link (verb)
form a knot or bow in	make a logical or causal connection
limit or restrict to	connect, fasten, or put together two or more pieces
finish a game with an equal number of points, goals, etc.	link with or as with a yoke
fasten or secure with a rope, string, or cord	be or become joined or united or linked
connect, fasten, or put together two or more pieces
unite musical notes by a tie
make by tying pieces together
perform a marriage ceremony
create social or emotional ties