Answer: digraph

AnswerCrossword Clue
DIGRAPHWord whose last two letters are an example of it
DIGRAPHThe "ng" in "sing," for instance
DIGRAPHThe "rh" in "rhapsody," e.g.
DIGRAPHTwo letters representing a single speech sound.
DIGRAPHThe "th" in "the," e.g.
digrapha pair of letters representation a single speech sound
digraphpair of letters representing a single speech sound, as ea in meat or th in path