Prefix: A prefix is placed
at the beginning of a word to modify or change its meaning. Pre
means "before." Prefixes may also indicate a location, number, or
time.
Root: central
part of a word.
Suffix: The ending part of a word that modifies the
meaning of the word. Example: homeless. Root = 'home' and the suffix
is 'less'. It can also refer to a condition, disease, disorder, or
procedure.