This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
Of note are mirror ambigrams. Particularly vertical axis mirror ambigrams, in this instance. That is, words that could be read by reflecting the design. Basile Morin has a list of ambigrams – mirror and otherwise – that they’ve designed on their website here.
qoop and bood are also not a palindromes, but poop and boob are |Ö|
There should be a class of word that is symmetric given a certain font.
Of note are mirror ambigrams. Particularly vertical axis mirror ambigrams, in this instance. That is, words that could be read by reflecting the design. Basile Morin has a list of ambigrams – mirror and otherwise – that they’ve designed on their website here.
Neither are QOOP or BOOD