fó kān
niche for statue (esp. Buddhist, Christian etc)
kān yǐng
niche as shown in an X-Ray (medicine)
shén kān
shrine
niche
household shrine
Lóng kān Shǒu jìng
see 龍龕手鑑|龙龛手鉴[Long2 kan1 Shou3 jian4]
Lóng kān Shǒu jiàn
Longkan Shoujian, Chinese character dictionary from 997 AD containing 26,430 entries, with radicals placed into 240 rhyme groups and arranged according to the four tones, and the rest of the characters similarly arranged under each radical