prefixes
dependent
independent
behave
behaviour
good
goodness
habit
habitual
slight - > adverb
slighty
relevant
irrelevant
inspire
inspiration
person
personality
addict
addictive
deep -> verb
deepen
agree
disagree
civilise
civilisation
relation
relationship
strength
strong
relative -> adverb
relatively
understand
misunderstand
compete
competition
happy
happiness
support
supportive
train - > a person who is trained
trainee
reason
reasonable
develop
development
alter
alteration
technique
technical
commit - > noun
commitment