It is hippopotomonstrosesquipedaliophobia.
 Hippopoto-monstro-sesuiquipedalio-phobia. Hippopoto is the misspelled form of Hippopotamus, Monstro comes from the Latin Monstrum, meaning Monster, Sesquipedalio comes from Sesquipedalian, a very long word, and lastly Phobia, an extreme or irrational fear of something., Hippo-poto-monstro-sesqui-pedalio-phobia.
 It is pronounced Hi-poh., Pronounce it as Po-toh., Say Mon-stroh., Pronounce Ses-kwee., This is pronounced as Peh-dah-leejoh., Say it like Foh-beejah.,, Hi-poh-po-toh-mon-stroh-ses-kwee-peh-dah-leejoh-foh-beeja.,
Know the word.
Break the word into up into its root words.
Break the word up into easy to pronounce pieces.
Start with Hippo.
Follow with Poto.
Next comes Monstro.
Then there is Sesqui.
Say Pedalio.
Finish with Phobia.Practice saying each piece.
Pronounce the whole word.Practice the pronunciation until you can say the word without hesitations.
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