"accumulates" in the verb sense
1. roll up, collect, accumulate, pile up, amass, compile, hoard
get or gather together
"I am accumulating evidence for the man's unfaithfulness to his wife"
"She is amassing a lot of data for her thesis"
"She rolled up a small fortune"
2. accumulate, cumulate, conglomerate, pile up, gather, amass
collect or gather
"Journals are accumulating in my office"
"The work keeps piling up"
Source: WordNet® (An amazing lexical database of English)
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