Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Word formation
0
%
0
0
0
Back
Restart
creator
creation
Oops!
Okay!
tourist
tourism
Oops!
Okay!
angry
anger
Oops!
Okay!
difficult
difficulty
Oops!
Okay!
progress
progress, progression
Oops!
Okay!
employer
employment
Oops!
Okay!
child
childhood
Oops!
Okay!
know
knowledge
Oops!
Okay!
advisor
advice
Oops!
Okay!
strong
strength
Oops!
Okay!
behave
behaviour
Oops!
Okay!
arrive
arrival
Oops!
Okay!
artist
art
Oops!
Okay!
representative
representation
Oops!
Okay!
technique
technology
Oops!
Okay!
create
creation
Oops!
Okay!
long
length
Oops!
Okay!
confide
confidence
Oops!
Okay!
produce
production
Oops!
Okay!
friendly
friendship
Oops!
Okay!
decide
decision
Oops!
Okay!
politician
politics
Oops!
Okay!
sad
sadness
Oops!
Okay!
responsible
responsibility
Oops!
Okay!
applicant
application
Oops!
Okay!
permit
permission
Oops!
Okay!
short
shortage
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies