The word(s) "witness" appears 111 time(s) in 90 verse(s) in Quran in Muhammad Pickthal translation.

(71) We shall show them Our portents on the horizons and within themselves until it will be manifest unto them that it is the Truth. Doth not thy Lord suffice, since He is witness over all things?

(72) And they make the angels, who are the slaves of the Beneficent, females. Did they witness their creation? Their testimony will be recorded and they will be questioned.

(73) And those unto whom they cry instead of Him possess no power of intercession, saving him who beareth witness unto the Truth knowingly.

(74) Or say they: He hath invented it? Say (O Muhammad): If I have invented it, still ye have no power to support me against Allah. He is Best Aware of what ye say among yourselves concerning it. He sufficeth for a witness between me and you. And He is the Forgiving, the Merciful.

(75) Bethink you: If it is from Allah and ye disbelieve therein, and a witness of the Children of Israel hath already testified to the like thereof and hath believed, and ye are too proud (what plight is yours)? Lo! Allah guideth not wrong-doing folk.

(76) Lo! We have sent thee (O Muhammad) as a witness and a bearer of good tidings and a warner,

(77) He it is Who hath sent His messenger with the guidance and the religion of truth, that He may cause it to prevail over all religion. And Allah sufficeth as a witness.

(78) And every soul cometh, along with it a driver and a witness.

(79) And inform them that the water is to be shared between (her and) them. Every drinking will be witnessed.

(80) On the day when Allah will raise them all together and inform them of what they did. Allah hath kept account of it while they forgot it. And Allah is witness over all things.