Senses
窝儿/ 窩兒 den
The place, den, or nest that one occupies; a cave or pit
窝儿/ 窩兒 dent
A small depression or sunken area on a surface
窝儿/ 窩兒 vacancy
(literary) An unfilled position; a vacancy or opening in an organization
窝儿/ 窩兒 debt
(archaic) A financial deficit or debt