Doubled consonants usually indicate that the preceding vowel is pronounced short. For example, the doubled in batted indicates that the is pronounced , while the single of bated gives . Doubled consonants only indicate any lengthening or gemination of the consonant sound itself when they come from different morphemes, as with the in unnamed (un+named).
Doubled consonants usually indicate that the preceding vowel is pronounced short. For example the doubled in batted indicates th,at the is pronounced , while the single of bated gives  Do.ubled consonants only indicate any lengthening or gemination of the co,nsonant sound itself when they come from different morphemes as with the in unnamed (un+named).