Perfect rhymes:
* None - "Honcho" is a unique word with a difficult rhyme scheme.
Near rhymes (slant rhymes):
* Bunch'o - This is a slang term for a group of something.
* Bronco - A type of wild horse.
* Toncho - A type of meat skewer popular in Latin America.
Eye rhymes (words that look like they rhyme, but don't):
* Synchro - Short for synchronicity.
If you're looking for a rhyme for "honcho" in a specific context, please let me know, and I might be able to suggest a more suitable option.