The word(s) "care" appears 22 time(s) in 20 verse(s) in Quran in Muhammad Pickthal translation.

(11) And lower unto them the wing of submission through mercy, and say: My Lord! Have mercy on them both as they did care for me when I was little.

(12) And they indeed wished to scare thee from the land that they might drive thee forth from thence, and then they would have stayed (there) but a little after thee.

(13) And he wished to scare them from the land, but We drowned him and those with him, all together.

(14) And warn them of the Day of anguish when the case hath been decided. Now they are in a state of carelessness, and they believe not.

(15) Lo! as for those who traduce virtuous, believing women (who are) careless, cursed are they in the world and the Hereafter. Theirs will be an awful doom

(16) And We had before forbidden foster-mothers for him, so she said: Shall I show you a household who will rear him for you and take care of him?

(17) And he entered the city at a time of carelessness of its folk, and he found therein two men fighting, one of his own caste, and the other of his enemies; and he who was of his caste asked him for help against him who was of his enemies. So Moses struck him with his fist and killed him. He said: This is of the devil's doing. Lo! he is an enemy, a mere misleader.

(18) Turning unto Him (only); and be careful of your duty unto Him and establish worship, and be not of those who ascribe partners (unto Him);

(19) Who are careless in an abyss!

(20) O man! What hath made thee careless concerning thy Lord, the Bountiful,