The word(s) "care" appears 86 time(s) in 80 verse(s) in Quran in Muhammad Habib Shakir translation.

(11) And if you are upon a journey and you do not find a scribe, then (there may be) a security taken into possession; but if one of you trusts another, then he who is trusted should deliver his trust, and let him be careful (of his duty to) Allah, his Lord; and do not conceal testimony, and whoever conceals it, his heart is surely sinful; and Allah knows what you do.

(12) Let not the believers take the unbelievers for friends rather than believers; and whoever does this, he shall have nothing of (the guardianship of) Allah, but you should guard yourselves against them, guarding carefully; and Allah makes you cautious of (retribution from) Himself; and to Allah is the eventual coming.

(13) And a verifier of that which is before me of the Taurat and that I may allow you part of that which has been forbidden t you, and I have come to you with a sign from your Lord therefore be careful of (your duty to) Allah and obey me.

(14) O you who believe! be careful of (your duty to) Allah with the care which is due to Him, and do not die unless you are Muslims.

(15) And Allah did certainly assist you at Badr when you were weak; be careful of (your duty to) Allah then, that you may give thanks.

(16) O you who believe! do not devour usury, making it double and redouble, and be careful of (your duty to) Allah, that you may be successful.

(17) But as to those who are careful of (their duty to) their Lord, they shall have gardens beneath which rivers flow, abiding in them; an entertainment from their Lord, and that which is with Allah is best for the righteous.

(18) O you who believe! be patient and excel in patience and remain steadfast, and be careful of (your duty to) Allah, that you may be successful.

(19) O people! be careful of (your duty to) your Lord, Who created you from a single being and created its mate of the same (kind) and spread from these two, many men and women; and be careful of (your duty to) Allah, by Whom you demand one of another (your rights), and (to) the ties of relationship; surely Allah ever watches over you.

(20) And let those fear who, should they leave behind them weakly offspring, would fear on their account, so let them be careful of (their duty to) Allah, and let them speak right words.