What part of speech is the word remains?

The word "remains" can be two different parts of speech, depending on how it's used:

* Verb (third-person singular present): This is the most common use. It means "continues to be" or "stays in the same state".

* Example: "The mystery remains unsolved."

* Noun (plural): This is used to refer to the parts of something that are left after the rest is gone.

* Example: "The archaeologists found the remains of an ancient city."

To determine which part of speech "remains" is, you need to look at the context of the sentence.