depreciation vs instructor

depreciation and instructor both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
instructor	Yes	No	No	No

depreciation (noun)	instructor (noun)
a decrease in price or value	a person whose occupation is teaching
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use