As nouns the difference between grume and grump
is that grume is a thick semisolid while grump is a habitually grumpy or complaining person.
As a verb grump is
to complain.
grume
English
Noun
(
en noun)
A thick semisolid
A clot (of blood)
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grump
English
Noun
(
en noun)
a habitually grumpy or complaining person
First used in print by Daniel Defoe in 1727.
Verb
(
en verb)
to complain
to be grumpy