The spelling of the word "backing outs" can be explained using the International Phonetic Alphabet (IPA). The IPA transcription for "backing" is /ˈbækɪŋ/ and for "outs" is /aʊts/. The combination of the two words results in the final spelling of "backing outs". This term refers to the action of withdrawing support or reneging on a commitment. It is important to understand the spelling and meaning of this word to use it correctly in written and spoken communication.