治 cure

(waterleft) + 台 (big thing counter)

★★★★☆

8 strokes

DUPE

Onyomi

CHI or JI

JESUS cured the big thing by giving it water and magic CHEese.

Kunyomi

( を ) なお＊す	I cure a disease or health problem 　(BOOBOO: if you want to fix an object, use the OTHER なおす kanji : 直す） ★☆☆☆☆
( が ) なお＊る	it gets cured (ditto!) ★☆☆☆☆
( が ) おさ＊める	to rule over someone, to govern something (THIS one is easy because, you CAN'T use the other "naosu" kanji,　直す！） ★☆☆☆☆

Jukugo

政治(せいじ)

politics ★★★★☆ FR
政 (politics) + 治 (cure) = 政治 (politics)

politics. (FR：literally "administer and cure",which is a bit of a laugh)

治癒(ちゆ)

healing ☆☆☆☆☆
治 (cure) + 癒 (cure) = 治癒 (healing)

healing in general : (the healing process / an unhealed wound / taking too long to heal)

治療(ちりょう)

therapy ☆☆☆☆☆
治 (cure) + 療 (medical therapy) = 治療 (therapy)

medical therapy - for instance, cancer 治療 would be chemo. Unlike the related term 医療　（いりょう）、治療 refers to ongoing, repeated-once-a-day/week processes for specific illnesses)