I found this typo on a document while proofreading, so thank goodness that it didn’t get out. But can you imagine if it had? It implies the plural form of another word for donkeys, or ahem, a slang term for multiple backsides. This mistake if often made with words that have double consonants in the middle, and one gets omitted. Others are:
Can you think of more? And what mnemonic devices do you use to remember to double the consonants of these words, or similar ones? I open the floor to you.