Here are the matched prefixes and base words to create new words with different meanings:
- un + powered = unpowered
- re + assure = reassure
- dis + board = disboard
- over + pouring = overpouring
- mis + judge = misjudge
- out + steady = outsteady
- de + hydrate = dehydrate
- pre + infect = preinfect
- under + wash = underwash
Be aware that some combinations may not be commonly used, but they technically create new words based on the prefixes provided. If you have any further questions or need additional assistance, feel free to ask!