Near Rhymes (similar vowel sound):
* Wiggle: This is the closest you'll get to a perfect rhyme.
* Giggle: Another strong near rhyme.
* Fickle: A slightly less close, but still workable rhyme.
* Dingle: This is a bit obscure, but could work in some contexts.
Eye Rhymes (look the same, but don't sound the same):
* Trifle: This rhymes visually, but not phonetically.
Other options:
* You could use words that share a similar sound, like "scribble" or "drizzle" if you're looking for a playful or whimsical tone.
Ultimately, the best rhyme for "smiggle" depends on the context of your writing and the desired effect.