As verbs the difference between upsurges and upsurged
is that upsurges is third-person singular of upsurge while upsurged is past tense of upsurge.
As a noun upsurges
is plural of upsurge.
upsurges
English
Noun
(head)
Verb
(head)
(upsurge)
upsurged
English
Verb
(head)
(upsurge)
upsurge
English
Noun
(upsurges)
a sudden strong rise or flow
Verb
to surge up, or to become stronger or greater