How Do You Spell TREBLE FETID?
Pronunciation: [tɹˈɛbə͡l fˈɛtɪd] (IPA) 
The spelling of "treble fetid" can be explained using IPA phonetic transcription. "Treble" is spelled as /ˈtrɛbəl/, with the /tr/ consonant cluster representing the "t" and "r" sounds merged together. "Fetid" is spelled as /ˈfɛtɪd/, with the /t/ sound pronounced as an unaspirated voiceless dental plosive. The spelling of this word combination follows standard English spelling conventions for these two words, with "treble" referring to threefold and "fetid" meaning having a strong unpleasant odor.
