What it is: Word parts added before/after a root to change meaning or word type. What it’s for: Guess meanings of new words and grow vocabulary faster. Example: unhappy = un- (not) + happy

• un- (not): unhappy, unfair
• re- (again): redo, rewrite
• pre- (before): prepay, preview
• dis- (opposite): disagree, dislike

• -tion (noun): information, education
• -er (person): teacher, driver
• -able (adjective): readable, comfortable
• -ly (adverb): quickly, clearly

• When you see a long word, split it: prefix + root + suffix.
• Create 3 examples for each prefix/suffix.

• *prefix* /ˈpriːfɪks/: tiền tố
• *suffix* /ˈsʌfɪks/: hậu tố
• *guess* /ɡes/: đoán