system vs module

system and module both are nouns.

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

system (noun)	module (noun)
instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity	a self-contained component (unit or item) that is used in combination with other components
an ordered manner; orderliness by virtue of being methodical and well organized	computer circuit consisting of an assembly of electronic components (as of computer hardware)
a group of physiologically or anatomically related organs or parts	detachable compartment of a spacecraft
the living body considered as made up of interdependent components forming a unified whole	one of the inherent cognitive or perceptual powers of the mind
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