RichThesaurus
fretful
vs
grumbly
fretful
adj
Irritable, bad-tempered, grumpy or peevish.
Unable to relax; fidgety or restless.
grumbly
adj
Given to grumbling
How often have the words
fretful
and
grumbly
occurred in a corpus of books?
(source:
Google Ngram Viewer
)