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, accumulate, 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
How to sign: put together out of existing material
"compile a list";
Similiar / Same: compose
Categories: make
Within this category: anthologize, catalogue, cobble together