Proto-Itelmen: *kumx-tuka (dikid)
Meaning (Rus.): десятки
West Itelmen: žužad* 10, -šinažin* adj. 10
South Itelmen: kumxtuk* 10, ka'as kumxtuka dikid* 20, čo'ok kumxtuka dikid* 30, ča'ak kumxtuka dikid* 40, ko'omnak kumxtuka dikid* 50, kilko̯ak kumxtuka dikid* 60, 'ita'atuk kumxtuka dikid* 70, čukutuk kumxtuka dikid* 80, ča'aktak kumxtuka dikid* 90, kumxtuka kumxtaka-n* 100
Comments: kumx-tuka 'две руки/ ладошки'.