upgrade vs upgrade

upgrade and upgrade both are nouns.

Word	Noun	Adjective	Verb	Adverb
upgrade	Yes	No	Yes	No
upgrade	Yes	No	Yes	No

upgrade (noun)	upgrade (noun)
the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)	the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
hardware that provides better performance than an earlier version did	hardware that provides better performance than an earlier version did
the property possessed by a slope or surface that rises	the property possessed by a slope or surface that rises
a reservation that is improved	a reservation that is improved
software that provides better performance than an earlier version did	software that provides better performance than an earlier version did
an upward slope or grade (as in a road)	an upward slope or grade (as in a road)

upgrade (verb)	upgrade (verb)
to improve what was old or outdated	to improve what was old or outdated
give better travel conditions to	give better travel conditions to
get better travel conditions	get better travel conditions
rate higher; raise in value or esteem	rate higher; raise in value or esteem
give a promotion to or assign to a higher position	give a promotion to or assign to a higher position