The word Plymouth is a noun, a proper noun, the name of a city in England and in Massachusetts; the name of a place.
Plymouth is a place, which makes it a noun, a proper noun. Proper nouns are always capitalized.
oliver
Yes Plymouth is a part of England
Plymouth is still there and is part of Massachusetts.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
Plymouth is a city in MA, a state. So, in a sense it is part of the 50 states, but not a state.
Massachusetts
The part of speech for "explicit" is an adjective.