machines

any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
an efficient person;
an intricate organization that accomplishes its goals efficiently;
a device for overcoming resistance at one point by applying force at some other point
a group that controls the activities of a political party;
a motor vehicle with four wheels; usually propelled by an internal combustion engine;
turn, shape, mold, or otherwise finish by machinery
make by machinery;

machines is a valid Scrabble (US) TWL word

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

machines is a valid Scrabble Word in International Collins CSW Dictionary

machines is a valid Words With Friends word