Purchase
Purchasing
noun, verbal noun
こうにゅう
購入 (こうにゅう) Purchase, Purchasing
購買 (こうばい) Purchasing, School Shop, Campus Store
購読 (こうどく) Subscription, Subscribing
挿入 (そうにゅう) Insertion
Koichi こう likes to Purchase new にゅう things.
Koichi こう knew にゅう it was a bad Purchase, but went ahead anyway.