The word 'both' is not a noun. The word 'both' is a pronoun, an adjective, and a conjunction.
The indefinite pronoun 'both' is plural, it takes the place of a plural noun or two nouns.
Examples:
I have met his parents, both are professors at the university.
They have chocolate and strawberry. Bothare my favorites.
The adjective 'both' is placed before a noun to describe a plural noun or two nouns together.
Examples:
I liked both books.
Both Jack and Jill are coming.
The conjunction 'both' is place before a two words or phrases to indicate both are included.
Example: I have to both finish my homework and wash the dishes before going out.
The noun 'fungi' is the plural form of the noun 'fungus'.
No, the word collywobbles (both singular and plural) is an informal (slang) noun, a common, concrete noun; a word for severe intestinal distress, a thing.
The indefinite pronoun 'each' is singular.The noun 'boys' is the plural form of the singular noun 'boy'.
The word weapon is a singular noun. The plural noun is weapons.
The word 'mucous' is an adjective, it has no plural form.The noun 'mucus' is an uncountable (mass) noun as a word for a substance.
It is both a singular or plural noun.
"Book" is a noun that has both a singular and plural form: "book" (singular) and "books" (plural).
"Cousin" can be both singular and plural. "Cousins" is the plural form.
Yes, "sheep" can be used as both the singular and plural form.
No, the noun 'toucan' is a countable noun the plural noun is toucans.
Examples of nouns that are both singular and plural are:aircraftdeerfishmeansmooseoffspringsalmonsheepshrimpspecies
The noun 'syllabus' is the singular form. The plural forms are syllabi or syllabuses, both are accepted.
Music is a singular, uncountable noun.
As a collective noun, it's both singular and plural.
The noun 'shrimp' is singular or plural.The plural noun is either 'shrimp' or 'shrimps', both are accepted.
The singular form of "sheep" is also "sheep." It remains the same in both singular and plural forms.
The noun 'shoe' is a countable noun, the plural form is shoes.A countable noun is a noun that has both a singular and a plural form.An uncountable noun is a singular noun that has no plural form (such as education or oxygen) or a plural noun that has no singular form (such as news or clothes).