掘る【ほる】
to dig, to excavate, to hollow, to delve into, to dig up (e.g. vegetables), (for two men) to have anal sex
発掘【はっくつ】
excavation, exhumation, digging up, unearthing, discovery (of a new fact, talent, etc.), finding, unearthing
掘削【くっさく】
digging out, excavation
採掘【さいくつ】
mining
井戸掘り【いどほり】
well digging, well digger
盗掘【とうくつ】
illegal digging, illegal mining, grave robbing, tomb robbing
試掘【しくつ】
prospecting, trial digging
掘り出し物【ほりだしもの】
(lucky) find, bargain, good buy, treasure trove
掘り起こす【ほりおこす】
to dig up, to unearth, to uncover
掘り下げる【ほりさげる】
to dig down, to dig into (a matter), to delve into, to probe into, to investigate, to get to the bottom of
掘り当てる【ほりあてる】
to strike (gold, oil, etc.), to find (e.g. buried treasure), to dig up
掘り出す【ほりだす】
to dig out, to pick up
掘り返す【ほりかえす】
to dig up, to turn up, to tear up, to rake up (e.g. old scandal), to dig over