側溝 (そっこう)gutter; ditch

側溝, its kanji, and other words that share them.Open this graph

Kanji in 側溝

西側にしがわwest side; west bank
側そばnear; close
側近そっきんclose associate; close aide
側面そくめんside; flank
北側きたがわnorth side; north bank
内側うちがわinside; interior
東側ひがしがわeast side; east bank
南側みなみがわsouth side
溝みぞditch; drain
排水溝はいすいこうdrainage; gutter
海溝かいこうocean trench; deep
にげ溝にげみぞclearance groove; under cut
キー溝キーみぞkeyway
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
上溝桜うわみずざくらJapanese bird cherry (Prunus grayana); Gray's bird cherry

See how 側溝 connects to the rest of Japanese.