せざるを得ない[sezaruwoenai] cannot avoid doing
一挙両得[ikkyoryoutoku] killing two birds with one stone
一得[ittoku] one advantage
一得一失[ittokuisshitsu] gaining some and losing some
課税所得[kazeishotoku] taxable income

我が意を得る[wagaiwoeru] to approve of
会得[etoku] understanding
獲得[kakutoku] acquisition
既得[kitoku] vested
既得権[kitokuken] vested rights

寡欲[kayoku] unselfishness
我欲[gayoku] selfishness
強欲[gouyoku] greed
禁欲[kinyoku] abstinence
少欲[shouyoku] a little covetousness

情欲[jouyoku] passions
色欲[shikiyoku] lust
食欲[shokuyoku] appetite (for food)
人欲[jinyoku] human desires
制欲[seiyoku] control of passions