間隔【かんかく】
space, interval, space character, whitespace
隔離【かくり】
isolation, segregation, separation, quarantine
遠隔【えんかく】
distant, remote, isolated
隔てる【へだてる】
to separate (by distance, time, etc.), to isolate, to partition, to divide, to interpose, to have between, to alienate, to estrange
隔たる【へだたる】
to be distant