壕 ⇒
战壕 zhànháo, [戰壕], trench/entrenchment
壕沟 háogōu, [壕溝], trench/moat
壕 háo, moat/(military) trench
防空壕 堑壕战
沟 ⇒
沟通 gōutōng, [溝通], to join/to connect/to link up/to communicate
沟 gōu, [溝], ditch/gutter/groove/gully/ravine/CL:道[dào]
水沟 shuǐgōu, [水溝], gutter/sewer
阴沟 腹股沟 fùgǔgōu, [腹股溝], groin (anatomy)
排水沟 páishuǐgōu, [排水溝], gutter
沟渠 gōuqú, [溝渠], channel/moat/irrigation canal
壕沟 háogōu, [壕溝], trench/moat
鸿沟 hónggōu, [鴻溝], (fig.) gulf/chasm/wide gap/(originally) the Hong Canal in Henan, which in ancien...
代沟 dàigōu, [代溝], generation gap
海沟 hǎigōu, [海溝], marine trench
山沟 shāngōu, [山溝], valley/gully/mountain region
地沟 沟槽 gōucáo, [溝槽], groove/furrow/trench
沟壑 gōuhè, [溝壑], gorge/gulch/ravine/deep ditch
河沟 hégōu, [河溝], brook/ditch
双沟 沟鼠 沟纹 垄沟 lǒnggōu, [壟溝], furrow (agriculture)