Answer:
synchrony
[ˈsiNGkrənē]
NOUN
simultaneous action, development, or occurrence.
the state of operating or developing according to the same time scale as something else.
"some individuals do not remain in synchrony with the twenty-four-hour day"
synchronic treatment or study.
"the structuralist distinction between synchrony and diachrony"
Step-by-step explanation:
This is straight from a dictionary, its not my work
But I hope this helps (: