make a noun
famous
fame
help
helpless, helpful
student
study
late
lately
appear
disappear
visit
visitor
history
historic, historical
competition
compete
bad
badly
understanding
misunderstanding
inherit
inheritance
responsibility
responsible
actress
act
good
well
employ
employer, employee, employment
library
librarian
polite
impolite
explanation
explain
easy
easily
child
childhood / childish
politics
politician
legal
illegal
decision
decide
hard
hard, hardly
king
kingdom