奥勤め[okuzutome] working as a lady's maid
過勤[kakin] overwork
皆勤[kaikin] perfect attendance
外勤[gaikin] working away from the office
勤まらない[tsutomaranai] unfit for

勤まる[tsutomaru] to be fit for
勤め[tsutome] service
勤める[tsutomeru] to work (for)
勤め気[tsutomegi] mercenary spirit
勤め口[tsutomeguchi] position

為続ける[shitsuzukeru] to continue to do
遺産相続[isansouzoku] inheritance
永続[eizoku] permanence
永続性[eizokusei] persistent
家続き[ietsuzuki] row of houses

家督相続[katokusouzoku] inheritance
共同相続人[kyoudousouzokunin] joint heir
勤続[kinzoku] continuous service
勤続者[kinzokusha] man of long service
続ぐ[tsugu] to succeed (someone in a business or inheritance)