Word formation - noun suffixes (B1 Vocabulary)

Add -tion or -ment to a verb to make a noun for the action or its result: apply → application, improve → improvement.

Making nouns from verbs: -tion and -ment

WordPronunciationExample
application/ˌæplɪˈkeɪʃən/Amina's application needs more information before Friday.
presentation/ˌprezənˈteɪʃən/Amina gave a short presentation at the community center.
improvement/ɪmˈpruːvmənt/Mei showed real improvement in her writing this term.
agreement/əˈɡriːmənt/The agreement was signed after the meeting.

Making quality nouns: -ness

Add -ness to an adjective to make a noun for a quality or feeling: kind → kindness, happy → happiness.

WordPronunciationExample
kindness/ˈkaɪndnəs/Yasmin appreciated Lars's kindness during the project.
happiness/ˈhæpinəs/Happiness is not the same as constant excitement.
darkness/ˈdɑrknəs/The darkness made the path difficult to see.

Formal quality nouns: -ity

Add -ity to some formal adjectives to make a noun for a quality: real → reality, responsible → responsibility.

WordPronunciationExample
reality/riˈæləti/Diego had to face the reality of a smaller budget.

People who do things: -er

Add -er to a verb to make a noun for the person who does it: teach → teacher, play → player.

WordPronunciationExample
teacher/ˈtiːtʃər/The teacher at Haffenbridge School explained the lesson twice.

What are the common mistakes?

IncorrectCorrectWhy
Her writing shows a real improvetion.Her writing shows a real improvement.The verb decides the suffix: improve takes -ment.
"He had to face the realness of the situation.""He had to face the reality of the situation."With real, the usual noun is reality, not realness: real → reality.
Ask the teaching for help.Ask the teacher for help.-er names the person; teaching is the activity.