The plural for for the noun kind is kinds. How many kinds of candy to you sell?
concrete, plural
The noun eyes is a plural, common, concrete noun, the plural form for the singular eye, a word for a thing.
What kind of staff? Like a wizard or workers.
The noun 'children' is a plural, common, concrete noun; the plural form of the singular noun 'child', a word for a person (people).
The word us is the first person plural objective case pronoun.
The word kindness is the abstract noun form for the adjective kind.
The noun 'rockets' is a plural, common, concrete noun, the plural form for rocket; a word for a thing.
The noun 'years' is a plural, common, abstract noun, the plural form of the singular noun 'year'; a word for a 365 day period; a word for a thing.
The word 'forests' is a common, plural, concrete noun.
The word settlers is a common, plural, concrete noun.
The noun 'monkeys' is a common, concrete, plural noun; the plural form of the singular noun 'monkey'; a word for a type of mammal; a word for a thing.
The word crises is a plural word; it is the plural form of the word crisis.