Here's how to categorize the words based on the prefixes provided:
Words Missing the Prefix Dis-
- disactivity (inactivity)
- disgrace (grace)
- disregard (regard)
Words Missing the Prefix Re-
- reactivity (activity)
- review (view)
- reabsorb (absorb)
- reagreement (agreement)
Words Missing the Prefix In-
- ingrace (grace)
- invisible (visible)
- inadequate (adequate)
This places the words within the respective prefixes correctly related to their meanings. Note that some words may require an adjustment in their format (like a prefix attached) to fit the thought context more accurately.