-tion
-ment
-ion
-sion
irregular
100
To accumulate
Accumulation
100
To punish
Punishment
100
To invent
Invention
100
To decide
Decision
100
To offend
Offence
200
to realize
Realization
200
To entertain
Entertainment
200
To appreciate
Appreciation
200
To Corrode
Corrosion
200
To Deliver
Delivery
300
To examine
Examination
300
To Develop
Development
300
To accumulate
Accumulation
300
To conclude
Conclusion
300
To insure
Insurance
400
To accredit
Accreditation
400
To agree
Agreement
400
To act
Action
400
To Apprehend
Apprehension
400
To think
Thought
500
To absorb
Absorption
500
To Employ
Employment
500
To confuse
Confusion
500
To convert
Conversion
500
To breathe
Breath
M
e
n
u