The word(s) "sign" appears 351 time(s) in 320 verse(s) in Quran in Mohsin Khan translation.

(171) Man is created of haste. I will show you My Ayat (torments, proofs, evidence, verses, lessons, signs, revelations, etc.). So ask Me not to hasten (them).

(172) We helped him against the people who denied Our Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.). Verily, they were a people given to evil. So We drowned them all.

(173) And she who guarded her chastity [Virgin Maryam (Mary)]: We breathed into (the sleeves of) her (shirt or garment) [through Our Ruh - Jibril (Gabriel)], and We made her and her son ['Îsa (Jesus)] a sign for Al-'Alamin (the mankind and jinn).

(174) Thus have We sent it (this Qur'an) down (to Muhammad صلى الله عليه وسلم) as clear signs, evidence and proofs, and surely, Allah guides whom He wills.

(175) Hunafa' Lillah (i.e. worshiping none but Allah), not associating partners (in worship) unto Him; and whoever assigns partners to Allah, it is as if he had fallen from the sky, and the birds had snatched him, or the wind had thrown him to a far off place.

(176) But those who strive against Our Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.), to frustrate them, they will be dwellers of the Hell-fire.

(177) Verily, in this [what We did as regards drowning of the people of Nuh (Noah)], there are indeed Ayat (proofs, evidence, lessons, signs, etc. for men to understand), for sure We are ever putting (men) to the test.

(178) Then We sent Musa (Moses) and his brother Harun‎‎ (Aaron), with Our Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.) and manifest authority,

(179) And We made the son of Maryam (Mary) and his mother as a sign, and We gave them refuge on high ground, a place of rest, security and flowing streams.

(180) And those who believe in the Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.) of their Lord;