systems

instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity;
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;
a complex of methods or rules governing behavior;
an organized structure for arranging or classifying;
a group of physiologically or anatomically related organs or parts;
a procedure or process for obtaining an objective;
the living body considered as made up of interdependent components forming a unified whole;
an ordered manner; orderliness by virtue of being methodical and well organized;

systems is a valid Scrabble (US) TWL word

systems is a valid Scrabble Word in Merriam-Webster MW Dictionary

systems is a valid Scrabble Word in International Collins CSW Dictionary

systems is a valid Words With Friends word