(Pronunciation) Words that lose a syllable

average














novelist












happening












Before /r/











considerable











favourable









battery











dictionary











conference












history










imaginary












difference











interest










miserable











preferable












mystery











secondary












restuarant











Before /l/









accidetally











carefully









family











especially










partially











dreadfully













thankfully












Before /n/














educational











national











personal









deafening










definite










frightening











prisoner








traditional