a synonym
They could be used as several different parts of speech. Typically the entire phrase acts as one part of speech... a noun phrase, a verb phrase, etc.
The word "right" can function as different parts of speech. It can be an adjective, noun, adverb, or verb, depending on how it is used in a sentence.
talking, singing,
Like most words, "eating" can be used as different parts of speech. It is a noun when used like this: Eating is fun. It is a verb when used like this: She is eating a hot dog for lunch.
"Ouch" is an interjection*, which sometimes now seems to be called an ejaculation. *I learned parts of speech in the 1950s.
a pronoun used as a possessive adjective.
Entice is typically used as a verb.
Interjections
"She" is a pronoun. It is used to refer to a female person or animal.
It can be. Like many words, nuturing can be different parts of speech depending on how it is used. If you are talking about a nurturing attitude, for instance, nurturing would be used as an adjective... but it can also be used as a verb.
"And," "so," and "but" are conjunctions, which are parts of speech used to connect words, phrases, or clauses. "And" is used to add information, "so" is used to show cause and effect, and "but" is used to show contrast or contradiction.
Verb and noun, depending on how it is used.