Ingrian -kas

← Estonian -kas (cognate)

← Finnish -kas (cognate)

← Proto-Finnic *-k'as (inherited)

→ Ingrian iäkäs (suffix)

→ Ingrian rahakas (suffix)

→ Ingrian kalakas (suffix)

→ Ingrian liivakas (suffix)

→ Ingrian savekas (suffix)

→ Ingrian kivekäs (suffix)

→ Ingrian haarikas (suffix)

→ Ingrian monikas (suffix)