Interesting subject here.
The only difference between these two is that diving is more direct than plunging. You can plunge by accident, perhaps if you fall into the sea or a swimming pool. When you dive you intentionally do so, and you are in control of the situation.
Learn Shapes in 6 minutes / Geometric Shapes for Kids and their Parents / Whiteboard Animation
- John stepped up onto the diving board and dived into the pool.
- John went too close to the edge of the boat and before he could shout for help, he plunged into the ocean.
Recommended for you:
202 Most Common Irregular Verbs + Gerund
Difference between Obviously and Absolutely
10 Business English Phrases About Sport You Can Use
65 Football Phrases and Idioms to Use in English
39 Sports Games You Should Really Know in English