通気 (つうき)ventilation; airflow

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

Kanji in 通気

見通しみとおしunobstructed view; perspective
通信つうしんcorrespondence; communication
交通こうつうtraffic; transportation
共通きょうつうcommon; shared
普通ふつうnormal; ordinary
通常つうじょうusual; ordinary
通産省つうさんしょう(former) Ministry of International Trade and Industry (now Ministry of Economy, Trade and Industry); MITI
通貨つうかcurrency
人気にんきpopularity; public favor
景気けいきbusiness conditions; the market
気きspirit; mind
気持ちきもちfeeling; sensation
病気びょうきillness (usu. excluding minor ailments, e.g. colds); disease
電気でんきelectricity
一気いっきone breath
気分きぶんfeeling; mood

See how 通気 connects to the rest of Japanese.