Word

約半年

exp
やくはんねん
approximately half a year
Word

約定書

やくじょうしょ
written contract
Word

片務契約

へんむけいやく
unilateral contract
Word

約定済み

やくじょうずみ
promised
Word

約諾

やくだく
agreement; promise
Word

内約

ないやく
(marriage) engagement; secret treaty; tacit understanding; private contract
Word

約分

やくぶん
reduction of a fraction (to lowest terms)
Word

保険契約

ほけんけいやく
insurance contract
Word

質素倹約

しっそけんやく
(practice) simplicity and frugality; scrimping and saving
Word

社会契約論

しゃかいけいやくろん
social contract theory (e.g. Rousseau's)