垣間見る[kaimamiru] to take a peep at
垣根[kakine] hedge
斎み垣[imigaki] shrine fence
忌垣[igaki] fence around a shrine
人垣[hitogaki] crowd of people

石垣[ishigaki] stone wall
竹垣[takegaki] bamboo fence (hedge)
中垣[nakagaki] middle fence
八重垣[yaegaki] fences within fences