Playing games can be a fun and effective way to enhance a student's vocabulary. Here are some games that can help:

1. Scrabble: This classic board game is excellent for vocabulary development. It involves creating words from random letters, which can help students learn new words and their meanings.

2. Pictionary: This drawing and guessing game can help expand vocabulary, especially adjectives and verbs. It also encourages creative thinking.

3. Word Search: This puzzle allows students to look for specific words in a grid of letters. You can create a word search with vocabulary words you want the student to learn.

4. Crossword Puzzles: These puzzles are great for learning new words and their meanings. You can create a crossword puzzle using words that you want the student to learn.

5. Hangman: This classic guessing game can be played using vocabulary words. It's not only fun, but it also helps students with spelling.

6. Charades: Playing charades with vocabulary words can help students understand the meaning of the words as they act them out.

7. Boggle: Another word game where players attempt to find words in sequences of adjacent letters. 

8. Online Games: Websites like Freerice, Vocabulary.com, and Word Dynamo offer a variety of vocabulary games that can be played on a computer or smartphone.

9. Apps: There are several educational apps designed to help students improve their vocabulary. Some of these include Duolingo, Memrise, and Quizlet.

10. Bingo: Create a bingo card with vocabulary words. When you call out the definition, the student has to identify the correct word.

Remember, the key to learning and remembering new vocabulary is repetition and usage, so encourage the student to use their new words in conversation and writing.