* Inn: This is a common homophone, but only if you pronounce "in" with a short "i" sound as in "sin" rather than the longer "ee" sound as in "scene".
* Innards: This is a homophone if you pronounce "in" very quickly and with a short "i" sound.
It's important to note that these are not perfect homophones and rely on specific pronunciations. In most cases, you won't find a true homophone for "in".