FAC, FIC, FICE - Answers make or do
FACT or FECT - Answers make or do
affect - Answers to do to something
manufacture - Answers to make by hand (or machine)
verification - Answers the act of making true
defect - Answers not made correctly; an imperfection
inefficient - Answers not done or brought out in a productive way
maleficent - Answers does bad things
infect - Answers to do or make harm inside
disinfect - Answers to take away something that does harm inside
artificial - Answers made by human skill, not from nature
signi - Answers mark/sign
veri - Answers truth
arti - Answers skill
manu - Answers hand
af - Answers to/toward
ef - Answers out of
factory - Answers a place where things are made
significant - Answers of marked importance of something done
insignificant - Answers not making a mark