As adjectives the difference between raggiest and waggiest
is that raggiest is superlative of raggy while waggiest is superlative of waggy.
raggiest
English
Adjective
(head)
(raggy) raggy
English
Adjective
(er)
raglike; like a rag.
scruffy; tending to dress in rags.
Similar in style to ragtime music.
waggiest
English
Adjective
(head)
(waggy) waggy
English
Adjective
(er)
having a tendency to wag
Synonyms
*waggily