the correct spelling of a plural is opossum.
The correct form is arrears. It is only ever used in the plural form.
The plural form of the noun 'march' is marches.
Slump test
Yes, it is correct. Here the word number is a group noun that takes a plural verb form.
That is the correct spelling of the word "ratio" (a comparative amount or number).
The plural of ratio is ratios.
The plural for ratio is ratios.
Ratio's
The correct plural of "the c" is "the cs."
The correct plural form for "septum" is "septa."
No, the correct plural form of the noun wolf is wolves.
The plural of 'foot' is 'feet'.
The correct plural for the word "wolf" is "wolves."
Weapons is the correct plural for the singular noun weapon
The correct plural form for the noun roof is roofs.
Chiefs is the correct plural form of chief.