Here are some words that rhyme with "fun":

• bun
• done
• run
• sun
• none
• shun
• begun
• spun
• ton
• won
• son
• stun
• Hun
• nun
• one
• pun
• Thun
• Amiens
• outrun
• undone
• anyone
• Cretonne
• misdone
• Naan
• outdone
• redone