system vs systematic

system is a noun but systematic is not a noun.

Word	Noun	Adjective	Verb	Adverb
system	Yes	No	No	No
systematic	No	Yes	No	No

system (noun)	systematic (noun)
instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
an ordered manner; orderliness by virtue of being methodical and well organized
a group of physiologically or anatomically related organs or parts
the living body considered as made up of interdependent components forming a unified whole
a complex of methods or rules governing behavior
a procedure or process for obtaining an objective
an organized structure for arranging or classifying
a group of independent but interrelated elements comprising a unified whole
(physical chemistry) a sample of matter in which substances in different phases are in equilibrium

system (adjective)	systematic (adjective)
	characterized by order and planning
	of or relating to taxonomy