Question

sort words according to the meanings of their prefixes or suffixes. nonviolent forcible nonessential perfectible suffix means can be done prefix means not

Explanation:

The suffix "-ible" or "-able" often means "can be done". In the given words, "perfectible" has this suffix. The prefix "non -" means "not". So, "nonviolent" and "nonessential" have this prefix. "Forcible" has no such relevant prefix or suffix for these categories.

Answer:

suffix means can be done: perfectible
prefix means not: nonviolent, nonessential