Perfect Rhymes (Same vowel and consonant sounds):
* None! "Eclectic" is a bit of a lone wolf in the rhyming world.
Near Rhymes (Similar vowel sounds):
* Electric
* Synthetic
* Genetic
* Kinetic
Eye Rhymes (Spelled similarly but don't sound alike):
* Aesthetic
* Poetic
Other options (Might work depending on context):
* Selective (Similar meaning)
* Collective (Similar meaning)
Ultimately, the best rhyme for "eclectic" depends on the specific context and what you're trying to achieve with your rhyme.