The word(s) "sign" appears 181 time(s) in 162 verse(s) in Quran in Muhammad Habib Shakir translation.

(41) Most surely there is a sign in this for him who fears the chastisement of the hereafter; this is a day on which the people shall be gathered together and this is a day that shall be witnessed.

(42) Certainly in Yusuf and his brothers there are signs for the inquirers.

(43) Then it occurred to them after they had seen the signs that they should imprison him till a time.

(44) And he raised his parents upon the throne and they fell down in prostration before him, and he said: O my father! this is the significance of my vision of old; my Lord has indeed made it to be true; and He was indeed kind to me when He brought me forth from the prison and brought you from the desert after the Shaitan had sown dissensions between me and my brothers, surely my Lord is benignant to whom He pleases; surely He is the Knowing, the Wise.

(45) And how many a sign in the heavens and the earth which they pass by, yet they turn aside from it.

(46) Allah is He Who raised the heavens without any pillars that you see, and He is firm in power and He made the sun and the moon subservient (to you); each one pursues its course to an appointed time; He regulates the affair, making clear the signs that you may be certain of meeting your Lord.

(47) And He it is Who spread the earth and made in it firm mountains and rivers, and of all fruits He has made in it two kinds; He makes the night cover the day; most surely there are signs in this for a people who reflect.

(48) And in the earth there are tracts side by side and gardens of grapes and corn and palm trees having one root and (others) having distinct roots-- they are watered with one water, and We make some of them excel others in fruit; most surely there are signs in this for a people who understand.

(49) And those who disbelieve say: Why has not a sign been sent down upon him from his Lord? You are only a warner and (there is) a guide for every people.

(50) And those who disbelieve say: Why is not a sign sent down upon him by his Lord? Say: Surely Allah makes him who will go astray, and guides to Himself those who turn (to Him).