Zhuang son

← Ahom 𑜏𑜨𑜃𑜫 (cognate)

← Tai Dam ꪎꪮꪙ (cognate)

← Lü ᦉᦸᧃ (cognate)

← Lao ສອນ (cognate)

← Northern Thai ᩈᩬᩁ (cognate)

← Shan သွၼ် (cognate)

← Proto-Tai *soːlᴬ (inherited)

← Tai Nüa ᥔᥩᥢᥴ (cognate)

← Thai สอน (cognate)

→ Tai Dam ꪎꪮꪙ (cognate)

→ Lü ᦉᦸᧃ (cognate)

→ Lao ສອນ (cognate)

→ Shan သွၼ် (cognate)

→ Tai Nüa ᥔᥩᥢᥴ (cognate)

→ Thai สอน (cognate)