Answer:
8 words
1. Firstly, secondly, thirdly
2. In view of; in light of; considering
3. According to X; X stated that; referring to the views of X
4. Moreover; furthermore; in addition; what’s more
5. In order to; to that end; to this end
6. In other words; to put it another way; that is; to put it more simply
7. Similarly; likewise; another key fact to remember; as well as; an equally significant aspect of
8. Conversely; however; alternatively; on the contrary; on the other hand; whereas
