Aggravate vs. accumulate

[MAYA]

Test No. incompl/advan-19 "Money Matters (2)", question 10

Shortly after the couple had bought their first house, they saw the number of bills ......... rapidly.

(a) accentuate
(b) aggravate
(c) accumulate
(d) access

Test No. incompl/advan-19 "Money Matters (2)", answer 10

Shortly after the couple had bought their first house, they saw the number of bills accumulate rapidly.

Correct answer: (c) accumulate

Your answer was: incorrect
Shortly after the couple had bought their first house, they saw the number of bills aggravate rapidly.
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WHAT IS THE DIFFERENCE IN MEANING BETWEEN
ACCUMULATE AND AGGRAVATE.
HAW DO WE USE THEM?
THANKS

[Torsten]

Both words have rather different meanings:

to accumulate means to gather or to collect

The young pop band has been able to accumulate an extensive fan within a very short period of time.

to aggravate means to make worse or to annoy

Severe weather conditions are further aggravating the situation in the south of the US.
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