購入 (こうにゅう)purchase; buy

purchase; buynoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru

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

Kanji in 購入

購読こうどくbuying and reading (book, magazine, etc.); subscribing (incl. free subscriptions)
購買こうばいprocurement; purchase
購買力こうばいりょくbuying power; purchasing power
定期購読ていきこうどくsubscription (e.g. to a magazine)
一括購入いっかつこうにゅうlump-sum purchase; bulk purchase
予約購読よやくこうどくsubscription
事前購入じぜんこうにゅうadvance purchase (e.g. fare)
事前購入割引運賃じぜんこうにゅうわりびきうんちんadvance purchase excursion fare; APEX fare
輸入ゆにゅうimport; importation
収入しゅうにゅうincome; receipts
導入どうにゅうintroduction; bringing in
介入かいにゅうintervention
入りいりentering
入札にゅうさつbid; tender
受け入れうけいれreceiving; acceptance
入場にゅうじょうentrance; admission

See how 購入 connects to the rest of Japanese.