NoNXCaseAgr: There is no case agreement between head nouns and their adjuncts in general.
(1) mīša ʌoɣs-əm-nat
’with my friend, Misha’ (L. N. K.)
(2) māša ōpe-m-nam
’to my sister, Masha’ (L. N. K.)
In Surgut Khanty, neither noun adjuncts, nor adjectival, numeral, and determiner modifiers agree with their noun heads.