The correct spelling is Cherubim. If you do an exact search in Google (searching for "cherubim" between quotes) you will find millions of results for Cherubim and only a few 100 for cherubbim (basically people spelling it wrong). Also: whenever you do a Google search and Google immediately answers with "Did you mean..." it's usually not a good thing

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If it was written correctly you would have had a good domain. The one you have isn't (imo).