According to enchantedlearning.com (n.d), a prefix is the group of letters that is placed before the root of the word. For instance, we may have this word
MISPLACED
The prefix will be mis, that means bad, wrong. And the root of the word would be place.
Since the affixes are divided in prefixes and suffixes, here it is a list of the most common prefixes in english according to thoughtco.com (n.d) 更多
