1) Accrued 2) Accumulated 3) Accumulated by the pope 4) Assembled 5) Came together 6) Collected 7) Collected substantially 8) Concentrated 9) Congregate 10) Emulated henry clay frick 11) Garnered 12) Gathered 13) Gathered up 14) Gathered up a spar 15) Got a lot of 16) Heaped up 17) Hoarded 18) Made a hoard Found on https://www.crosswordclues.com/clue/amassed