The plural form of the noun 'spaceship' is spaceships.
The plural form of the noun sky is skies.The plural possessive form is skies'.
Orbits is the plural form for the noun orbit; the plural possessive form is orbits'.
The plural of spectrum is "spectra."
The possessive form of the plural noun orbits is orbits'.
The possessive form for the feathers of the geese is the geese's feathers.
Bridges is the plural form of bridge.
"Beliefs" does not have a plural form, as it is already plural. Beliefs is the plural form of belief.
There is no plural form for the word, countries. This word itself is a plural.
"Groceries" is the plural form of "grocery."
The plural form of "meter" is "meters."
The plural form for the noun sergeant is sergeants; the plural possessive form is sergeants'.
The sunlight has to be refracted by water drops in order for the sunlight to form a rainbow.
It has no plural form.
The plural form of rung is rungs.
The plural form of parenthesis is parentheses.
The plural form of mouth is mouths. The plural form of month is months. The Mounth is a range of hills in Scotland and does not have a plural form.