It-e-m-ize and Re-cogn-ize
[go-out of/action] + [again-know/action]
Prefixes, Roots, Suffixes:
http://www.betterendings.org/ds.htm#ROOT
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http://www.prefixsuffix.com/
English Prefixes & Combining Forms:
http://indodic.com/affixListEnglish.html
Introduction:
http://ancienthistory.about.com/library/698.htm
(scroll down)
Affixes Introduction
http://www.bartelby.com/64/83.html
(Scroll down and then back and read !)
Prefixes and suffixes in categories:
http://ingilish.com/english-affixation.htm