what is characterization based on?

Please define these preffixes and suffixes: pre,re,com,non,ish,ward,less,ment,en,ize

Weird spelling and/or capitalization may be appropriate for IMs and text messages, but they should be not used on a homework message board that is read by teachers.

http://www.tnellen.com/cybereng/lit_terms/characterization.html

You can look up prefixes and suffixes here:
http://www.answers.com
For example, http://www.answers.com/topic/pre