YELLOW

GREEN

PURPLE

RED

‘soft’ c (pronounced as s)

centre

central

city

cities

circle

mercy

decimal

cylinder

excited          

incident

circuit

excited

accident

circular

ceremony

ceremonies

celebrity

celebrities

recently

cylinder

central

ceremony

circular

circulate

except

excited

accident

centrally

exception

exceptional

excited

incidental

cylindrical

decision

accidental

celebratory

YELLOW

GREEN

PURPLE

RED

-ful suffix

-ctu- and – tch- spelling patterns

pitiful

waste

wasteful

fearful

colourful

graceful  

beauty

beautiful

awful

beautiful

doubt

doubtful

colourful

merciful

bounty

bountiful

dread

dreadful

picture

lecture

clutch

watched

matched

stitched

stretched

switched

patched

lectured

punctured

lecturer

architecture

structure

manufacture

picturesque

swatch

wretched

YELLOW

GREEN

PURPLE

RED

drop the -e when adding –ing

il- im- in- ir prefixes

smiling

use

using

rise

rising

argue

arguing

escape

escaping

deciding

escape

escaping

arrange

arranging

rescue

rescuing

survive

surviving

illogical

balance

imbalance

mature

immature

credible

incredible

reversible

irreversible

illogical

probable

improbable

decisive

indecisive

convenient

inconvenient

resistible

irresistible

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