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100

organise 

organisation

100

happy

happiness

100

inform

information

100

dark

darkness

100

discuss

discussion

200

act

actor

200

achieve

achievement

200

donate

donation

200

fit

fitness

200

sad

sadness

300

lead

leader

300

sail

sailor

300

argue

argument

300

explain

explanation

300

treat

treatment

400

advertise 

advertisement

400

prepare

preparation

400

permit 

permission

400

edit

editor

400

donate

donation

500

suggest

suggestion

500

arrange 

arrangement

500

describe

description

500

converse

conversation

500

translate

translation