There are several English words that have no true rhymes, and "month" is one of them. However, there are several words that are near rhymes or half rhymes, which sound very similar but have subtle differences in how they are pronounced. Here are some words that rhyme with "month":

• Brunch
• Bumf
• Bunce
• Bunch
• Bunche
• Crunch
• Dunce
• Dunch
• Galumph
• Harrumph
• Humph
• Hunch
• Lunch
• Once
• Plinth
• Punch
• Scrunch
• Synth
• Tenth

Its worth noting that "oneth" is also a near rhyme for "month," but it is not a commonly used word and is not a perfect rhyme.