-іс

• -ыс (-ys), -с (-s)

From Proto-Turkic *-iĺč.

-іс • (-ıs)

1. Forms reciprocal voice, meaning that the action is directed from multiple subjects to each other..

   ‎сүй- (süi-, “to kiss”) + ‎-іс (-ıs) → ‎сүйіс- (süiıs-, “to kiss each other”)

From Proto-Turkic *-iĺ.

-іс • (-ıs)

1. Forms nouns from verbs..

   ‎табу (tabu, “to find, to earn”) + ‎-іс (-ıs) → ‎табыс (tabys, “income”)