tier vs tie

tier and tie both are nouns.

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

tier (noun)	tie (noun)
one of two or more layers one atop another	a cord (or string or ribbon or wire etc.) with which something is tied
any one of two or more competitors who tie one another	neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front
a relative position or degree of value in a graded group	a horizontal beam used to prevent two other structural members from spreading apart or separating
something that is used for tying	one of the cross braces that support the rails on a railway track
a worker who ties something	a fastener that serves to join or connect
	(music) a slur over two notes of the same pitch; indicates that the note is to be sustained for their combined time value
	the finish of a contest in which the score is tied and the winner is undecided
	equality of score in a contest
	a social or business relationship

tier (verb)	tie (verb)
	form a knot or bow in
	limit or restrict to
	finish a game with an equal number of points, goals, etc.
	fasten or secure with a rope, string, or cord
	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