Collocations for accumulate - verb

gradually, slowly
steadily
quickly, rapidly

begin to
be allowed to
Dirt must not be allowed to accumulate.

tend to
Toxic chemicals tend to accumulate in the body.

accumulate over the years, accumulate over time

Accumulate is used with these nouns as the subject:
debris, dirt, evidence, fat

Accumulate is used with these nouns as the object:
arrears, asset, capital, debt, evidence, fortune, point, reserve, wealth