ho / hoe / whoa are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
ho: NA
hoe: (noun) a tool with a flat blade attached at right angles to a long handle. (verb) dig with a hoe.
whoa: NA
ho: hh·OW
hoe: hh·OW
whoa: w·OW
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)