What is the difference between muscle dystrophy and muscle atrophy? The difference between muscle atrophy and dystophy is that the atrophy is a wasting away of muscle due to disease or poor nutrition. Muscle dystrophy is degeneraion of musclesâ¦ or any organs in the body caused by a disease process, or it can also be caused by malnourishment.
A digraph is two letters that spell one sound. Digraphs that spell consonant sounds include the letter pairs sh, ch, th, wh, ck, ph, ng. Digraphs that spell vowel sounds include the letter pairs ai, ay, ee, ea, ie, ei, oo, ou. ow, oe, oo, ue, ey, ay, oy, oi, au, aw.
A diphthong is two vowels sounds in one syllable. The diphthongs oi and oy make the oi sound as in oil. When the consonant r comes after the vowel o, it changes the sound of the vowel as in for. The or sound is marked like this: cÃ´rn. A vowel digraph has two vowels that make one sound. The digraph oo makes the sound of oo as in zoo.