Old English twēġen

→ English two (mention)

→ English twain (inherited)

→ English tway (mention)

→ Old English betweonum (cognate)

→ Middle English two (mention)

→ Old High German zwene (cognate)

→ Old Norse tveir (cognate)

→ Old Frisian twene (cognate)

→ Old Saxon twene (cognate)

→ Yola twye (inherited)