In obsolete|lang=en terms the difference between sudden and stound
is that
sudden is (obsolete) an unexpected occurrence; a surprise while
stound is (obsolete) to stand still; stop.
As nouns the difference between sudden and stound
is that
sudden is (obsolete) an unexpected occurrence; a surprise while
stound is (chronology|obsolete) an hour or
stound can be a stand; a stop or
stound can be a receptacle for holding small beer.
As an adjective sudden
is happening quickly and with little or no warning.
As an adverb sudden
is (poetic) suddenly.
As a verb stound is
(obsolete|or|dialectal|intransitive) to hurt, pain, smart or
stound can be (obsolete) to stand still; stop.