Answer:
Passionate love between young pair
Each person takes one's own life because of unfortunate misunderstanding
Step-by-step explanation:
There are too many events in the plot of "Pyramus and Thisbe" from which William Shakespeare draws the story of "Romeo and Juliet". Some more similarities in both the stories are;
Kept apart by their family who hate each other
Both pairs decide to elope
Both pairs decide to run away together
Female protagonists are thought to be dead, so male protagonists take their own lives.
Female protagonists use the same blades (used by their beloved) to kill themselves.