1. This is similar to the length opposition that occurs in the continuants . 2. Glottalization only affects open syllables and syllables ending in a continuant or a vowel. 3. Among consonants, there are two broad categories of continuants : fricatives and approximants. 4. Approximants are sometimes called " frictionless continuants ". 5. Lastly, w is a continuant and labial consonant ( Capell, 1969 ). 6. Navajo also does not have consistent phonetic voicing in the " voiced " continuant members. 7. Similarly before the back vowels, the velar continuant has the alternations and as shown in the examples below: 8. The determinant of a tridiagonal matrix is given by the "'continuant "'of its elements. 9. The categories and roughly correspond to the modern terms " continuant " and " stop ". 10. Thus, palatalization does not necessarily need a front vowel, and palatalized vs . plain continuants can be articulated.