YELLOW

GREEN

PURPLE

RED

adding the -shun suffix (-tion)

 de- non- and anti- prefixes

correction

direct

direction

reflect

reflection

pollute

pollution

reduce

reduction

fraction

direction

condition

attraction

distraction

reduction

construction

competition

migration

destruction

decomposing

decrease

decreasing

non-absorbent

antiseptic

antibiotic

antibodies

antidote  

non-absorbent

non-attendance

decapitate

detachment

deconstruction

dehydrated

anticyclone

antiperspirant

antiallergenic

YELLOW

GREEN

PURPLE

RED

adding the -shun suffix (-ssion)

 dis- mis- and un- prefixes

admission

permit

permission

confess

confession

impress

impression

discuss

discussion

obsession

possess

possession

depression

progression

discussion

procession

express

expression

disbelief

discontent

disagreement

misfortune           

miscalculate

unusually         

unhappiness       

unstoppable

unlikely

disadvantage      

disagreeable 

miscalculation         

miscellaneous   

misbehaviour  

misinterpretation

unauthorised        

unintentional       

unreliable