How to sign: collect or gather
"Journals are accumulating in my office"; "The work keeps piling up";
Similiar / Same: cumulate, conglomerate, pile up, amass, gather
Categories: increase
Within this category: accrete, backlog, drift
How to sign: 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";
Similiar / Same: collect, compile, roll up, amass, hoard, pile up
Categories: hive away, lay in, put in, salt away, stack away, stash away, store
Within this category: bale, catch, collect, corral, fund, fund, lump, run up, scrape