RichThesaurus
roop
vs
waul
roop
verb
To cry; shout.
To roar; make a great noise.
To make hoarse.
noun
Hoarseness.
waul
verb
To wail, to cry plaintively.
How often have the words
roop
and
waul
occurred in a corpus of books?
(source:
Google Ngram Viewer
)