50 Common Collocations to Build Your Vocabulary 📈 Collocations are great for building your vocabulary. Why learn one word when you can learn the meaning of several words that are frequently used together. Learning these phrases is an effective and quick way to improve your English fluency because they will help you sound more natural. Here is the of list collocations from this lesson. Collocations with HIGH 1) high school 2) high ground 3) high tech 4) high standards 5) high degree (of certaint