fly	flight
relation	relationship
pain	painless
express	expression
deliver	delivery
certain	certainly
nation	nationality
choose	choice
person	personality
imagine	imagination
bore	boring
care	careless
belive	unbelieve
speak	speech
inform	information
noise	noisy
confuse	confusing
safe	safety
employ	employed
beg	beggars
weigh	weight
difficult	difficulty
free	freedom
lucky	luckily
destroy	destruction
nature	natural
happy	happiness
help	helpful
disnant	distance
danger	dangerous
warn	warning
advise	advice
manage	manager
afford	affordable
act	active
child	childhood
correct	corrections
educate	education
instruct	instruction