Some words that rhyme with "soul" include:

• Boal
• Bole
• Boll
• Bowl
• Coal
• Cole
• Dole
• Foal
• Goal
• Hole
• Knoll
• Mole
• Pole
• Poll
• Roll
• Scroll
• Seoul
• Shoal
• Sole
• Stole
• Toll
• Troll
• Whole