How do I turn these words into nouns?

What point is the author most likely making with the example september 11

Form two real words by combining a prefix and/or suffix with the root listed below. if you need to, use your dictionary. then illustrate that the word has the meaning of that root by using one of those words in a sentence. example: dic, dict=to say 1. addiction 2. edict the judge's edict was the final say in that matter. mit, mis=send

If you begin to question the validity of the catholic church's teachings, then you could be considered a