Near rhymes (slant rhymes):
* mentions
* sessions
* tensions
* emotions
* notions
Eye rhymes (words that look like they should rhyme, but don't):
* bastons (an archaic word for "sticks")
Other options:
* question marks (a playful rhyming phrase)
It's worth noting that if you're working with a specific poem or song, the context might allow for more creative rhyming choices.