RichThesaurus
ebb and flow
vs
go pit-a-pat
ebb and flow
noun
A large flowing out and in.
The flowing out and in of the tide.
verb
To alternately ebb and flow.
go pit-a-pat
How often have the words
ebb and flow
and
go pit-a-pat
occurred in a corpus of books?
(source:
Google Ngram Viewer
)