It's important to note that "ho" is often considered a slang term and can be offensive. It's best to avoid using it unless you're in a very informal setting and are certain of the context and your audience's understanding.
If you're looking for a word with a similar meaning to "hoe" (the gardening tool), then you'd need a synonym, not a homophone. Some possible synonyms are:
* Cultivator
* Tiller
* Garden rake
* Shovel (depending on the type of hoe)
Please let me know if you need help finding synonyms for a different word.