Yes, the noun 'mouthguard' is a common noun, a general word for a type of protection for the teeth while engaged in sports; a general word for any mouthguard of any kind.
The noun teeth is plural.The plural form is tooth.
The plural noun 'teeth' is an abstract noun as a word for the power and authority to be effective; a word for a concept.The plural noun 'teeth' (singular 'tooth') is a concrete noun as a word the hard, bony enamel-coated structures in the jaws of most vertebrates; the projections on the rim of a cogwheel or the edge of a saw or a comb; a word for physical things.
The plural noun 'teeth' has an abstract use that the singular noun tooth does not. The plural noun 'teeth' is an abstract noun as a word for effective power to enforce or accomplish something. example: We need a law that has some teeth.
The word tooth is the singular noun. The plural noun is teeth.
Yes, the word teeth is a common noun, the plural form for the singular noun tooth; a word for any tooth or any teeth of any kind.A proper noun is the name of a specific person, place, thing; or a title; for example:Dr. Teeth and The Electric Mayhem, rock band from the Muppet TV showDragon's Teeth (lava formation), Kapalua, HIBright Teeth Gel, teeth wihitener"The Skin of Our Teeth", a play by Thorton Wilder"Teeth", a book of poems by Arcelis Girmay
The word 'be' is not a noun. The word 'be' is a verb, the verb to be.
Collective nouns for teeth are a set of teeth or a row of teeth.
Kindness is not either. It is a noun and "kind" is an adjective.
The singular possessive is tooth's.
Yes, the noun 'kind' is an abstract noun as a word for a word for a group united by common traits.
The word 'word' is a singular, common noun; a word for a thing.The noun 'word' is a concrete noun when spoken, it can be heard and when written, it can be seen.The noun 'word' is an abstract noun as in a kind word or a word to the wise.