English would

← Old English wolde (inherited)

← Old English willan (mention)

→ English wouldn't (suffix)

→ English wouldnae (compound)

→ English woulder (suffix)

→ English vould (mention)

→ English woulding (suffix)

→ English you'dn't've (mention)

→ English y'all'd've (mention)

→ Yiddish וואָלט (cognate)