ジン、サン

つ.くす、-つ.くす、-づ.くし、-つ.く、-づ.く、-ず.く、つ.きる、つ.かす、さかづき、ことごと.く、つか、つき

丶, 尸

exhaust, use up, run out of, befriend, serve

尽くす(つくす): (1) to exhaust; to run out (2) to devote; to serve (a person); to befriend (3) to do to exhaustion
尽きる(つきる): to be used up; to be run out; to be exhausted; to be consumed; to come to an end