Match the following words with their appropriate meanings. remember to first identify the prefixes in each word

1. Match the following words with their appropriate meanings. Remember to first identify the prefixes in each word.

1-d. multilingual
2-a. neoplasm
3-b. prehistoric
4-c. viceroy
5-e. homicide

2. Match the following words with their appropriate meanings. Remember to first identify the prefixes in each word.

1-c. bilingual

I don't quite understand the other two. 

I hope this was helpful.

The answer would be b .