ComNotInstr: The comitative and instrumental functions are expressed differently.
(1) uli tinśaŋ-ǝn kātǝl-l-a.
reindeer tether-loc catch-prs-pass.3sg
’Reindeers are hold with tethers.’ (Onina 2009: 60)
(2) luw jāj-em piln man-s.
(s)he brother-1sg com go-pst.3sg
’(S)he left with my brother.’ (Onina 2009: 61)
The instrumental case is expressed with the locative suffix in Synja Khanty (Onina 2009: 24). The comitative is expressed by a postposition, which grammaticalized the noun pil meaning ’fellow’ and the locative suffix -n (Honti 1984: 80–81).