Technically yes.
The noun 'Goalfish' is a word for a thing, a word for a website for students. The noun 'goldfish' is a word for a thing (a living thing), a word for a creature.
No, it is not a preposition. The word thing is a noun.
The noun 'bear' is a word for a type of mammal, a word for a thing.
The noun 'dog' is a word for a thing, a living thing.
Yes, the word 'thing' is a common noun, a general word for any thing of any kind.
Yes, the definition of a noun is a word for a person, a place, or a thing. Example nouns:personauntbrotherchildplacecountrycitydesertthingtreeturtletrust
Yes, the word 'alligator' is a noun, a word for a type of reptile, a word for a thing, a living thing.
The word 'foot' is a word for a body part or a linear measurement, a word for a thing.
Yes, the word 'word' is a noun; a word for a unit of language representing a person, a place, or a thing; a word for a thing.
The noun 'day' is a word for a thing, a word for a period of time.
Yes, the word 'hawk' is a noun, a word for a thing, a living thing.
The word "week" is a concept or unit of time, not a person, place, or thing.