Ripple(noun)
A small wave on the surface of water.
Hindi meaning:लहर, तरंग
Synonyms: Wave, Undulation, Oscillation, Current
Antonyms: Stillness, Calmness, Motionless
Example: The stone she threw caused ripples to spread across the lake.
Trick to remember: Rip karne se ripple effect nhi banta. 
