interment C2+

/ɪnˈtɜrmənt/ the burial of a corpse in a grave or tomb

disinter C2+

/ˌdɪsɪnˈtɜr/ to dig up something that has been buried, especially a corpse

subterranean C2+

/ˌsʌbtəˈreɪniən/ existing, occurring, or done under the surface of the earth

territorial C2+

/ˌtɛrəˈtɔriəl/ relating to the ownership or defence of a particular area of land