For example, system is a root, and the base to which -atic may be attached to form systematic, which is the base and stem to which -al may be affixed to form systematical, which is also the base and stem for affixing -ly to form the word systematically.왠 which가 이다지도 많은지....

뭔말인지 하나도 모르겠어요...ㅠㅠ