* Simple: "The student had a strong vocabulary and was able to use complex words effectively."
* Specific: "Learning new vocabulary words is essential for improving reading comprehension."
* Figurative: "The author's vocabulary was rich and evocative, painting vivid images in the reader's mind."
* Comparative: "The vocabulary used in academic writing is often more sophisticated than that found in casual conversation."
* Negative: "Her vocabulary was limited, making it difficult for her to express her ideas clearly."
The specific way you use "vocabulary" will depend on the context and what you want to communicate.