Both of does prefixes mean not. In this case, these prefixes make words the opposite of what they mean.
reclaim reconnect resume return restore
prefix DIS .... dissect , disseminate , dissuade , disparage .
prefix COM , CON ..... complacent , companion , complicated , conjecture
rebuild, retell, rethink, revise, regain, recapture
inpolite
Clues or roote words prefixes and suffexise
Words beginning with -en:engagedenjoyenlightenmententranceenactenableencaseenchantJust a few to get ya started
The mean of prefixes for beneficial is "having a good effect or favorable result."
One new word that can be made by adding prefixes and suffixes to "defense" is "redefense," which could mean to defend again or reinforce a defensive position.
Yes, in English "re-" is a prefix that means "again" or "back." So words like "redo," "renew," or "revisit" all imply doing something again or returning to it.
Two prefixes that mean "cut" or "cut out" are "dis-" and "ab-".