Difference between Drop-off and Decrease

Drop-off

Part of speech: noun

Definition: A sudden downward slope A sudden decrease (such as in the level of sales)

Decrease

Part of speech: noun

Definition: An amount by which a quantity is decreased.

Part of speech: verb

Definition: Of a quantity, to become smaller.To make (a quantity) smaller.

Example sentence: With the dramatic increase in ease of transportation and the incredible decrease in the amount of time required to travel between far-flung areas of the United States, representatives began spending more and more time in Washington and less and less time in their home districts.