Zhuang sam

← Ahom 𑜏𑜪 (cognate)

← Tai Dam ꪎꪱꪣ (cognate)

← Lü ᦉᦱᧄ (cognate)

← Lao ສາມ (cognate)

← Northern Thai ᩈᩣ᩠ᨾ (cognate)

← Bouyei saaml (cognate)

← Shan သၢမ် (cognate)

← Proto-Tai *saːm (inherited)

← Tai Nüa ᥔᥣᥛᥴ (cognate)

← Thai สาม (cognate)

→ Tai Dam ꪎꪱꪣ (cognate)

→ Lü ᦉᦱᧄ (cognate)

→ Lao ສາມ (cognate)

→ Shan သၢမ် (cognate)

→ Saek ส่าม (cognate)

→ Tai Nüa ᥔᥣᥛᥴ (cognate)

→ Thai สาม (cognate)