pneumatic tyre vs tread

pneumatic tyre and tread both are nouns.

Word	Noun	Adjective	Verb	Adverb
pneumatic tyre	Yes	No	No	No
tread	Yes	No	Yes	No

pneumatic tyre (noun)	tread (noun)
a tire made of reinforced rubber and filled with compressed air; used on motor vehicles and bicycles etc	a step in walking or running
	structural member consisting of the horizontal part of a stair or step
	the part (as of a wheel or shoe) that makes contact with the ground
	the grooved surface of a pneumatic tire

pneumatic tyre (verb)	tread (verb)
	crush as if by treading on
	brace (an archer's bow) by pressing the foot against the center
	mate with (used of male birds)
	tread or stomp heavily or roughly
	put down or press the foot, place the foot
	apply (the tread) to a tire