Navajo -SǪS

← Ahtna sonʼ (cognate)

← Chiricahua sǫǫs (cognate)

← Proto-Athabaskan *səmˀ (inherited)

← Navajo sǫʼ (cognate)

← Tanacross sénʼ (cognate)

→ Navajo -CHIŁ (link)

→ Navajo -TSʼĮĮL (link)

→ Navajo -TSʼÍLÍ (link)