• 溝どぶ

  ditch, drain, gutter, trench

• 溝みぞ

  ditch, drain, gutter, trench

• 海溝かいこう

  oceanic trench, deep-sea trench, deep

• 溝泥どぶどろ

  ditch mud

• 溝水どぶみず

  ditch water

• 溝渠こうきょ

  ditch, sewer, canal

• 溝隠みぞかくし

  Chinese lobelia (Lobelia chinensis)

• 溝貝どぶがい

  Chinese pond mussel (Sinanodonta woodiana)

• 溝溜こうりゅう

  drain and pool for collecting sewage, etc.

• 溝蜆どぶしじみ

  Sphaerium japonicum (species of fingernail clam)

• 溝鼠どぶねずみ

  brown rat (Rattus norvegicus), common rat, street rat, sewer rat, Norway rat

• 地溝ちこう

  rift valley

• 畝溝うねみぞ

  furrow ridges

• 側溝そっこう

  gutter, ditch

• 脳溝のうこう

  sulcus, groove in the surface of the brain

• 皮溝ひこう

  epidermal depression, skin depression

• 暗溝あんこう

  subterranean drain, culvert, conduit

• 溝削りみぞけずり

  fluting, grooving

• 溝状舌こうじょうぜつ

  fissured tongue

• 溝形鋼みぞがたこう

  channel (type of section steel)

• 溝五位みぞごい

  Japanese night heron (Gorsachius goisagi)

• 溝腹綱こうふくこう

  Solenogastres (subclass of small worm-like molluscs)

• 溝酸漿みぞほおずき

  monkey flower (plant), mimulus (plant) (Mimulus nepalensis var. japonicus)

• Ｕ字溝ユーじこう

  U-shaped gutter

• 鼻唇溝びしんこう

  nasolabial sulcus, nasolabial groove, nasolabial fold

• キー溝キーみぞ

  keyway

• 排水溝はいすいこう

  drainage, gutter, ditch

• 歯肉溝しにくこう

  gingival sulcus

• Ｌ字溝エルじこう

  L-shaped gutter, L-shaped drain

• 逃げ溝にげみぞ

  clearance groove, under cut

• 盧溝橋ろこうきょう

  Marco Polo Bridge (China)

• 外側溝がいそくこう

  lateral sulcus (brain structure), Sylvian fissure, lateral fissure

• 上溝桜うわみずざくら

  Japanese bird cherry (Prunus grayana), Gray's bird cherry, Gray's chokecherry

• 地溝油ちこうゆ

  gutter oil, recycled waste oil sold illicitly in China as a cheaper alternative to normal cooking oil

• 下水溝げすいこう

  drainage ditch, canal

• 共同溝きょうどうこう

  multipurpose underground utility conduit

• 溝レールみぞレール

  grooved rail

• 溝掘り機みぞほりき

  trench digging machine, trencher

• 溝さらいどぶさらい

  cleaning out mud from a ditch or drain

• 日本海溝にほんかいこう

  Japan Trench

• 押さえ溝おさえみぞ

  groove in the body of wooden plane which holds the blade

• 蝦夷上溝桜えぞのうわみずざくら

  bird cherry (Prunus padus)

• 大葉溝酸漿おおばみぞほおずき

  plant native to eastern Russia and Hokkaido (Mimulus sessilifolius Maxim. p)

• 盧溝橋事件ろこうきょうじけん

  Marco Polo Bridge Incident (July 7, 1937)

• マリアナ海溝マリアナかいこう

  Mariana Trench (deepest part of the ocean, near the Mariana Islands)

• レコードの溝レコードのみぞ

  record groove

• 溝こう

  10^32, hundred nonillion

• 大溝おおどぶ

  large ditch