passable / passible 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. 👇
passable: (adjective) able to be passed or traversed or crossed.
passible: NA
passable: p·AE·s·ah·b·ah·l
passible: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)