"Bonallack" is a peculiar word that has caused confusion among many individuals due to its unusual spelling. The word is often pronounced as [bəʊnəlæk] where "o" pronounces as "oh." The correct spelling of the word is actually "bona fide," which means genuine or sincere. However, it is important to note that there is no such word as "bonallack." So, next time you come across this weird word, you can safely ignore it as just another misspelled word.