Perfect Rhymes:
* None - "Eww" is a very unique word and doesn't have any perfect rhymes.
Near Rhymes (Slant Rhymes):
* You
* Sue
* Few
Eye Rhymes (Words that look like they should rhyme, but don't):
* Drew
* Glue
* Slew
Other options:
* You could use a word with a similar sound, like "ugh" or "yuck."
* You could use a word with a similar meaning, like "disgusting" or "revolting."
Ultimately, the best rhyming word will depend on the context of your writing.