- anti-smoking
- anti-terrorism
- anti-freeze
The prefix "semi" before a word means half.
- semi-finals
- semi-circular
- semi-conscious
The suffix "ism" after a word, turns the word into an abstract noun or an idea.
- environmentalism
- capitalism
- sexism
The suffix "ist" after a word, turns the word into a person who believes in the idea.
- Terrorist
- Feminist
- Sexist
- Environmentalist