The plural of right-of-way is "rights-of-way".
The plural way to spell studio is studios.
The plural form of "canopy" is "canopies."
The plural possessive for the noun dish is dishes'.
The correct plural of the word "status" is "status." Although spelled the same way, the plural form is pronounced in such a way so that it rhymes with "loose."
Rights of way is the plural form of that phrase.
The plural of activity is activities.
The plural of snowstorm is snowstorms. As in "there are snowstorms headed this way".
Atria is the plural for of atrium. Not the other way around.
Founders is third person or plural of founder.
The plural of highway is highways.
The plural of "oasis" is oases.