Подберите слова с суффиксами - ness , -tion , - ment - less . Для каждого по 7.

-ness
kindness
sadness
darkness
happiness
laziness
selfishness
faithfulness

-tion
nation
revolution
exposition
education
exhibition
conversation
attraction

-ment
appointment
development
encouragement
agreement
settlement
enrichment
allotment

-less
Homeless
Hopeless
Careless
Fruitless
Faithless
Doubtless
Powerless