Another is a determiner.
Elsewhere is an adverb.
The word mate can be a noun and a verb. The noun form is another term for "friend". The verb form refers to coming together as a pair to raise offspring.
A Part-to-part ratio
The word otherwise is an adverb. It means to do something in a manner that is different.
The two words are not the same part of speech. But they are similar in meaning.The term multiplying means "greatly or rapidly increasing" (e.g. population, problems). So increasing could be used generally as an unspecific synonym.
gerund
Loiter is a verb.
it is a determiner, or another word for it would be an article.
The word balderdash is a noun. It is another word for nonsense.
The word sleuth is a noun. It is another word for a detective.
Migrate is a verb. It means to move from one location to another.
The word both is a determiner. Both refers to one and another.
The word good is an adjective. It is another word for pleasant or enjoyable.
The word moreover is an adverb. It is another word for furthermore.
The word occupation is a noun. An occupation is another term for a job.
The word chrome is a noun. It is another name for chromium.
The word imperative is an adjective. It is another word for essential.