what is the prefix, suffix, and root word for control?

prefix is from the beginning  ex:prepare   pre: is your prefix suffix is at the end of a word Ex: prepared   ed: is your suffix  root is in the middle 

Prefix is in the beginning of the word    ex: Replace Suffix is at the end of the word     ex: Controlled- Placement Root is the actual word with no prefixes or suffixes    ex: Control - Place