As adjectives the difference between jaggiest and naggiest
is that jaggiest is (jaggy) while naggiest is (naggy).
jaggiest
English
Adjective
(head)
(jaggy)
jaggy
English
Adjective
(er)
jagged, toothed or serrated
naggiest
English
Adjective
(head)
(naggy)
naggy
English
Adjective
(er)
Prone to nag, irritable