RichThesaurus
at the top of one's voice
vs
sonorously
at the top of one's voice
prep
Of vocal sounds: very loudly; as loudly as possible.
sonorously
adv
In a sonorous way.
How often have the words
at the top of one's voice
and
sonorously
occurred in a corpus of books?
(source:
Google Ngram Viewer
)