Forth, when the tip of the tongue is raised against the alveolar ridge it’s defined as alveolar. English has many alveolar consonants; examples are night, lie, die, sue and zoo. Voicing and nasal distinguish these further from one another, but notice that the characteristics of place, voicing and nasal do not suffice to make each of these sounds distinct from all others: both tie and sue, for example, have voiceless oral alveolar consonants.