隔 - isolate, alternate, distance

every second month; every other month

every other week; every two weeks

to be distant

to separate (by distance, time, etc.); to isolate; to partition; to divide

distant; remote; isolated

space; interval

isolation; segregation; separation; quarantine

partition; distinction

distance; interval; gap; difference; estrangement

character spacing

railroad track gauge

nasal septum