Adjective.
Either a noun or a verb, depending upon the context. It is generally considered to be a noun.
Adjective
gerund
The word utopia is a noun. The plural is utopias.
Two adjectives and a noun.
A contraction is not one of the parts of speech.
Consider is a verb.
If "get along with" is considered a small enough number of words to have a part of speech as a phrase, it is a verb.
"Good morning" is considered a greeting or an interjection, not a traditional part of speech like a noun or verb.
Traditionally, the phrase "religious tolerance" would not be considered a single part of speech. Instead, "religious" would be considered an adjective modifying the noun "tolerance".
Articles like "a" or "an" are considered the shortest parts of speech, as they consist of only one letter.
Monotheism is considered to be the part of speech known as a noun. The adjective would be monotheistic while monotheistically would be the adverb.
"Whoa" is typically used as an interjection to express surprise, astonishment, or emphasis. It is not considered a traditional part of speech like a noun, verb, or adjective.
Argument is a noun. The plural form is arguments.
"Neighboring" is considered to be an adjective, because it describes a noun or a pronoun.
freedom of speech and press
"Hitchhiking" is the present participle of the verb "hitchhike", but "hitchhiking" is usually considered a noun.