Here are the answers to your questions:
Question 1: The writer used a synonym/restatement as the type of context clue in that sentence.
Question 2: The word part –ly in fervently is a bound morpheme.
Question 3: The word pair that could be homographs is bat, bat (as "bat" can refer to an animal or a piece of sports equipment).
Question 4: The best place to find synonyms for a word is a thesaurus.
Question 5: The word navy originated from Latin (L).