The correct answer is 'Conjunction'. Key Points - Here, in the given above sentence the underlined part "otherwise" is used as a conjunction. - Conjunctions are words that join or connect the words, phrases, or clauses together. - As per the general rule, 'otherwise' can be used as a conjunction. As a conjunction 'otherwise' connects two clauses. - Example: - She hasn't called, even though she said she would. - I can't make the head or tail of these instructions on the packet. - Here, in the given above examples, 'though and nor' can be used as a conjunction. - According to the explanation and example that are given above, 'Conjunction' is the correct part of speech for the given above sentence.