How to say "excavation" in Japanese

Choosing the right word
  • 発掘はっくつJLPT N1approx.Common
    noun, suru verb, transitive verbCovers excavation as unearthing something buried: an archaeological dig at a site of ancient ruins, a fossil find, or the exhumation of human remains; the nuance is bringing what was hidden to light.
    新あたらしい遺跡いせきで未み発掘はっくつはいくつだったのですか。↗
    How many new sites were uncovered?
  • 掘削くっさくCommon
    noun, suru verb, transitive verbCovers excavation as the physical act of digging out earth or rock, as at a construction site or when cutting a tunnel; it does not carry the sense of unearthing or exhuming something.

Use 発掘 when something buried is being dug up—ruins, fossils, or remains (it also covers exhumation)—and 掘削 for the physical excavation of earth or rock, as in construction or engineering work.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
  • 発掘はっくつexcavation
  • 掘削くっさくdigging out
  • 穴掘りあなほりexcavation
  • 開削かいさくexcavation
  • 根切りねぎりexcavation (as preparation for construction)
  • 削進さくしんexcavation (esp. of a tunnel)
  • 発掘調査はっくつちょうさexcavation (usu. archeological)
  • 掘進くっしんtunnelling (through)

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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