Yes. The singular is section and the plural is sections.
Yes, the word 'sections' is a common noun, the plural form of the singular noun 'section', a general word for a part cut off or separated, or a part of a written work.
Yes the word section is a singular noun. The plural noun is sections.
Yes the word layers is a noun. It is the plural of layer.
Yes, the word plural is a noun.
No the word dancing is not a plural noun. When used as a noun the word dancing is uncountable.
It is a plural noun.
No the word notes is a plural noun. The singular noun is note.
No the word gazing is not a plural noun. The word gazing is not a noun at all but a verb. The singular noun form is gaze and the plural noun is gazes.
Yes the word warriors is a plural noun. The singular noun is warrior.
Yes, the noun 'mumps' is a plural, uncountable noun, a word for an infectious disease.
The plural form for the noun beneficiary is beneficiaries; the plural possessive form is beneficiaries'.
The word army is a singular noun; armies is the plural form.