Perfect rhymes:
* mica
* pica (a disorder characterized by an urge to eat non-food items)
* stica (a rare word for "stick" in some dialects)
Near rhymes:
* kicka (slang for "a person who is really good at something")
* ticker (a heart or other device that keeps time)
* sticker (a small adhesive label)
* quicker (faster)
Eye rhymes (words that look like they rhyme, but don't actually sound alike):
* chika (a Spanish word for "girl")
* cheetah (a large spotted cat)
The best rhyme for you will depend on the context of your usage.