sync

sync noun
also synch /ˈsɪŋk/
sync
noun
also synch /ˈsɪŋk/
Britannica Dictionary definition of SYNC

in sync

1 
: in a state in which two or more people or things move or happen together at the same time and speed
— often + with
2 
: in a state in which two or more people or things agree with or match one another and work together properly — often + with

out of sync

1 
: in a state in which two or more people or things do not move or happen together at the same time and speed
— often + with
2 
: in a state in which two or more people or things do not agree with or match one another
— often + with