Unproved rhymes with:
approved, disapproved, disproved, improved, proved, unapproved, unimproved, approved, disapproved, disproved, improved, proved, unapproved, unimproved
Unproved sounds like:
unapproved, unimproved, unverified
approved, disapproved, disproved, improved, proved, unapproved, unimproved, approved, disapproved, disproved, improved, proved, unapproved, unimproved
unapproved, unimproved, unverified