scoop out

delve

excavate tunnel undermine

hollow out

cover fill

expand

dig dredge excavate extend hollow

dig out scrape out

fill

lighten pale quieten soften

burrow inquire

dig dredge examine excavate explore investigate probe prospect ransack research rummage search seek shovel sift spade trowel unearth

ferret out go into gouge out jump into leave no stone unturned look into really get into turn inside out

fill find ignore neglect

bore bulldoze burrow clean discover dredge drill enter excavate exhume go into gouge harvest penetrate scoop search shovel sift uncover unearth

channel deepen depress drive grub hoe investigate mine pierce pit probe produce quarry root rout sap spade till tunnel undermine

break up concave dig down fork out root out turn over

bury cover fill

burrow

excavate mine penetrate sap undermine

strengthen