Alliteration
Al·lit·er·a·tion
Alliteration
n.
-
The repetition of the same letter at the beginning of two or more words immediately succeeding each other, or at short intervals; as in the following lines: -
Behemoth, biggest born of earth, upheaved His vastness.
Fly o'er waste fens and windy fields.
In a somer seson whan soft was the sonne, I shope me in shroudes as I a shepe were.