Bosmun language
Bosman (Bosmun, Bosngun) is a Ramu language of Papua New Guinea. It is spoken five villages of Dongan ward, Yawar Rural LLG, Madang Province (4°10′35″S 144°38′55″E / 4.176323°S 144.648727°E).
Like Watam, it shares a number of irregular plural markers with the Lower Sepik languages, supporting the proposal of a Ramu – Lower Sepik language family.