節約家

せつやくか

pennypincher, saver, frugal person

経費節約

けいひせつやく

curtailment of expenditure, financial retrenchment

資源節約

しげんせつやく

conservation of resources

費用節約

ひよーせつやく

Cost Savings

時間節約

じかんせつやく

time preservation, saving time

最大節約法

さいだいせつやくほう

maximum parsimony method

約

やく

promise

節

ふし せつ よ ぶし のっと ノット

knot (nautical mile per hour)

節目節目

ふしめふしめ

each juncture, each turning point

約物

やくもの

punctuation marks and other special symbols (term used in printing)

縮約

しゅくやく しゅく やく

contraction

背約

はいやく せやく

a broken promise, breaking one's word

約数

やくすう

divisor, factor, measure

制約

せいやく

limitation, restriction, condition, constraints

約束

やくそく

promise, agreement, arrangement, one's word, contract, pact, appointment, engagement, date

規約

きやく

agreement, rules, code, protocol, convention, bylaw

倹約

けんやく

thrift, economy, frugality

集約

しゅうやく

intensiveness

解約

かいやく

cancellation of contract