CHANGE TO A NOUN
SCIENCE
scientist
TEACH
TEACHER
CELLO
CELLIST
DEVELOP
DEVELOPER
IMPROVE
IMPROVEMENT
SILENT
SILENCE
BUTCHERY
BUTCHER
HISTORY
HISTORIAN
MANAGEMENT
MANAGER
ELECTRICTY
ELECTRICIAN
COMPETENT
COMPETENCE
MACHINE
MACHINIST
LIBRARY
LIBRARIAN
ABSENCE
ABSENT
ELECT
ELECTOR
ENGINE
ENGINEER
NUTRITION
NUTRCICIONIST
OBEY
OBEDIENT
EFFECTIVE
EFFECTIVENESS
DISCUSS
DISCUSSION
POLITICS
POLITICIAN
CHEMICAL
CHEMIST
INVEST
INVESTMENT
INNOCENCE
INNOCENT
INFORM
INFORMATION