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

(81) Hast thou not observed those who are hypocrites, (how) they tell their brethren who disbelieve among the People of the Scripture: If ye are driven out, we surely will go out with you, and we will never obey anyone against you, and if ye are attacked we verily will help you. And Allah beareth witness that they verily are liars.

(82) When the hypocrites come unto thee (O Muhammad), they say: We bear witness that thou art indeed Allah's messenger. And Allah knoweth that thou art indeed His messenger, and Allah beareth witness that the hypocrites indeed are speaking falsely.

(83) Then, when they have reached their term, take them back in kindness or part from them in kindness, and call to witness two just men among you, and keep your testimony upright for Allah. Whoso believeth in Allah and the Last Day is exhorted to act thus. And whosoever keepeth his duty to Allah, Allah will appoint a way out for him,

(84) Lo! We have sent unto you a messenger as witness against you, even as We sent unto Pharaoh a messenger.

(85) Oh, but man is a telling witness against himself,

(86) Oh, but I call to witness the planets,

(87) And by the witness and that whereunto he beareth testimony,

(88) And were themselves the witnesses of what they did to the believers.

(89) Him unto Whom belongeth the Sovereignty of the heavens and the earth; and Allah is of all things the witness.

(90) And lo! he is a witness unto that;