===== Word Families =====
**What it is:** A group of words from the same root (verb/noun/adjective/adverb).  
**What it’s for:** Learn 1 word → expand to 4–6 related words quickly.  
**Example:** educate (v) → education (n) → educational (adj) → educationally (adv)

===== Common pattern =====
  * Verb → Noun → Adjective → Adverb
  * create → creation → creative → creatively
  * decide → decision → decisive → decisively

===== How to practice =====
  * When you learn a new word, write 1 sentence for each form.
  * Add the family to your flashcards.

===== Hard words (Glossary) =====
  * *root* /ruːt/: gốc từ
  * *expand* /ɪkˈspænd/: mở rộng
  * *related* /rɪˈleɪtɪd/: liên quan
  * *flashcard* /ˈflæʃkɑːd/: thẻ học từ