The correct spelling of the word "most effluvious", meaning emitting strong and unpleasant odor, can be a bit tricky to decode. The IPA phonetic transcription for this word is /məʊst ɪˈfluːvɪəs/, which can help in understanding the spelling. The word begins with the letter "m" and is followed by a schwa sound /ə/, then the letters "o-s-t". Next, we have the sound /ɪ/ followed by the letter combination "flu". Finally, the word ends with the sound /vɪəs/. Remembering this order and sound pattern can help in correctly spelling this adjective.