There is no plural form for the noun moonlight, we have only one moon to shed light.
One context for making moonlight plural is a theatrical or Photography setting when you might call a certain type of lighting device a 'moonlight' (for the quality of the light produced by the device), you may want to use two moonlights for effect. The plural form is for the devices, not for moonlight.
nights
Ex: A few nights ago, I went to the movies.
The plural form of "night" is "nights."
Yes, the word night is a noun, a singular, common, abstract noun; a word for a period of a day; a word for a thing.
A non-plural word, a word (noun or pronoun) that is not plural is singular, a word for just one.
the plural word is comedones
There is no plural form for the word, countries. This word itself is a plural.
No, the plural of problem is problems.
nights
A homophone is a word that is pronounced the same as another word but has a different meaning (one & won, night & knight). A plural homophone is the same thing, but it's plural instead of singular (nights & knights).
Yes, the word night is a noun, a singular, common, abstract noun; a word for a period of a day; a word for a thing.
The word crises is a plural word; it is the plural form of the word crisis.
It means "nights" in the plural nominative sense. It can also mean "to night" in the dative or "of night" in the genitive. It depends on the sentence.
There is no plural word for if.
The plural word for delay is delays.
A non-plural word, a word (noun or pronoun) that is not plural is singular, a word for just one.
A lamb is an offspring of a female sheep called a ewe. The ewe had a lamb last night.
The spelling noches is "night" in Spanish.The similar English word is the plural noun "notches" (marks, indents).
the plural word is comedones
No it's a singular word. A plural word would be "have".