1. Fall

Example:

The number of new COVID-19 cases fell sharply after the vaccination campaign began.

“Fall” suggests a downward trend and can apply to figures, rates, or quantities.

2. Drop

Example:

The company’s stock prices dropped significantly in the second quarter of the year.

“Drop” conveys a decline, often used to describe sudden reductions.

3. Decline

Example:

Sales of desktop computers have declined steadily as more consumers switch to laptops and tablets.

“Decline” refers to a decrease in numbers, percentages, or amounts over a period of time.

4. Decrease

Example:

The cost of international flights decreased slightly due to lower fuel prices.

“Decrease” suggests a reduction or diminishment of figures.

5. Plummet

Example:

The number of visitors plummeted dramatically during the off-peak season.

“Plummet” describes a very rapid and steep fall, typically over a short period of time.

6. Plunge

Example:

Share prices plunged considerably after the negative earnings report.

“Plunge” emphasizes a sudden, steep, and often dramatic decrease.