Denshi Jisho — Online Japanese dictionary

かい 1: buying; shopping;
2: buyer;
3: purchase
Common word, Noun 
かう 1: to buy; to purchase;
2: to value; to have a high opinion;
3: to stir; to provoke
Common word, Godan verb with u ending, Transitive verb 
かいて buyer
Common word, Noun 
かいね buying price; cost price; purchase price
Noun 
こばい buying stolen goods
Noun, Suru verb 
ふばい not buying
Noun, No-adjective 
い手 かいて buyer
Common word, Noun 
い気 かいき buying mood
Noun 
い値 かいね buying price; cost price; purchase price
Noun 
こがい buying in small quantity
Noun, Suru verb 
かいとり purchase; sale (transaction)
Common word, Noun, Suru verb 
かいもの shopping; purchased goods
Common word, Noun, No-adjective 
こうばい procurement; purchase; buying
Common word, Noun, Suru verb 
なかがい brokerage
Common word, Noun 
ばいばい trade; buying and selling
Common word, Noun, Suru verb 
かいいれ buying; purchasing; laying in
Irregular okurigana usage, Noun 
かいつけ buying; purchasing
Noun 
かいどく bargain; good buy
Noun, No-adjective 
かいぬし buyer; purchaser
Noun 
い得 かいどく bargain; good buy
Common word, Noun, No-adjective 
い物 かいもの shopping; purchased goods
Common word, Noun, No-adjective 
上げ かいあげ buying; purchasing; procurement
Noun 
入れ かいいれ buying; purchasing; laying in
Noun 
い方 かいかた buyer; purchaser
Noun 
込み かいこみ buying; purchasing; stocking up on
Noun 
込む かいこむ to purchase; to buy up; to lay in a stock
Godan verb with mu ending, Transitive verb 
占め かいしめ buying up of goods; cornering (market)
Noun 

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