Dog is a noun.
The word dog is a noun.
The word dog is a noun.
The word dog is a noun.
Dog
Dog is a noun, which is a person, place, or thing.
The phrase "dog guide" is a noun. The plural would be dog guides.
The word dogs is a plural noun. The singular is dog.
"The dog" isn't a sentence because it doesn't have a verb. If you are asking what part of speech it is, "the" is an article, and "dog" is a noun.
Happy is an adjective.
"Barked" is a past-tense verb, of the sound that a dog made.
Growl can be a noun or a verb. As a noun: That dog has a vicious growl. As a verb: My dog growls at the animals on the television.
THEIR dog