腋窩[ekika] armpit
山窩[sanka] group of mountain nomads (in Japan)
眼窩[ganka] eye socket
腋窩腺[ekikasen] axillary gland
燕窩[enka] swift's nest (used to make bird's nest soup)

中心窩[chuushinka] fovea centralis
眼窩底[gankatei] orbital floor (thin bone floor of eye socket)
蜂窩[houka] wasp nest
私窩子[shikashi] prostitute
膝窩[shikka] popliteal fossa

腋臭[wakiga] body odor (odour)
腋毛[wakige] underarm hair
腋窩[ekika] armpit
葉腋[youeki] leaf axil
腋窩腺[ekikasen] axillary gland

腋の下[wakinoshita] armpit
千金の裘は一狐の腋に非ず[senkinnokyuuhaikkonoekiniarazu] an expensive fur coat will not be made with a single fox alone
闕腋の袍[kettekinohou] robe worn by military officials with a round collar, unstitched open sides and no ran
闕腋[ketteki] unstitched, open side of some traditional Japanese clothing