Answer:
Alliteration
Explanation:
Alliteration is usually defined as the commencement of two or more stresses syllables of a word group either with the same consonant sound or sound group (consonantal alliteration), as in from stem to stern, or with a vowel sound that may different from syllable to syllable (vocalic alliteration), as in each to all.
In brothers between the r and s. It would become brother's.
A noun formed from a verb or corresponding to a verb is called verbal noun
The tone is more depressing