opportunity vs street

opportunity and street both are nouns.

Word	Noun	Adjective	Verb	Adverb
opportunity	Yes	No	No	No
street	Yes	No	No	No

As nouns, street is a hyponym of opportunity; that is, street is a word with a more specific, narrower meaning than opportunity:

opportunity (noun)	street (noun)
a possibility due to a favorable combination of circumstances	a thoroughfare (usually including sidewalks) that is lined with buildings
	the part of a thoroughfare between the sidewalks; the part of the thoroughfare on which vehicles travel
	people living or working on the same street
	the streets of a city viewed as a depressed environment in which there is poverty and crime and prostitution and dereliction
	a situation offering opportunities