Master vowels vs. consonants with simple tips. Boost your reading, writing, and phonics today! The vowels in English and consonants in English - Basic English grammar lesson. Examples of vowels and consonants in words. The difference between vowels and consonants is that you don't need any efforts to produce the sound of the vowels , as they are original sounds. As against, consonants require some efforts to produce them; they are not original sounds. What are vowels and consonants ? Since time immemorial, an aspect that relates to vowels and consonants has been acknowledged. There exist dual complementary classes of sounds of speech. These are, broadly, consonants and vowels .