twist vs rotary motion

twist and rotary motion both are nouns.

Word	Noun	Adjective	Verb	Adverb
twist	Yes	No	Yes	No
rotary motion	Yes	No	No	No

As nouns, rotary motion is a hypernym of twist; that is, rotary motion is a word with a broader meaning than twist:

Other hypernyms of twist include rotation.

As nouns, rotary motion is a hypernym of twist; that is, rotary motion is a word with a broader meaning than twist:

Other hypernyms of twist include rotation.

As nouns, rotary motion is a hypernym of twist; that is, rotary motion is a word with a broader meaning than twist:

Other hypernyms of twist include rotation.

twist (noun)	rotary motion (noun)
social dancing in which couples vigorously twist their hips and arms in time to the music; was popular in the 1960s	the act of rotating as if on an axis
any clever maneuver
the act of rotating rapidly
turning or twisting around (in place)
the act of winding or twisting
a hairdo formed by braiding or twisting the hair
an interpretation of a text or action
an unforeseen development
a miniature whirlpool or whirlwind resulting when the current of a fluid doubles back on itself
a jerky pulling movement
a sharp bend in a line produced when a line having a loop is pulled tight
a circular segment of a curve
a sharp strain on muscles or ligaments

twist (verb)	rotary motion (verb)
twist suddenly so as to sprain
form into twists
practice sophistry; change the meaning of or be vague about in order to mislead or deceive
turn in the opposite direction
form into a spiral shape
cause (an object) to assume a crooked or angular form
twist or pull violently or suddenly, especially so as to remove (something) from that to which it is attached or from where it originates
to move in a twisting or contorted motion, (especially when struggling)
do the twist
extend in curves and turns