The word(s) "laugh" appears 50 time(s) in 35 verse(s) in Quran in Mohsin Khan translation.

(21) For every nation We have ordained religious ceremonies [e.g. slaughtering of the cattle during the three days of stay at Mina (Makkah) during the Hajj (pilgrimage)] which they must follow; so let them (the pagans) not dispute with you on the matter (i.e. to eat of the cattle which you slaughter, and not to eat of the cattle which Allah kills by its natural death), but invite them to your Lord. Verily you (O Muhammad صلى الله عليه وسلم) indeed are on the (true) straight guidance (i.e. the true religion of Islamic Monotheism).

(22) And if they argue with you (as regards the slaughtering of the sacrifices), say "Allah knows best of what you do.

(23) O (you) Messengers! Eat of the Tayyibat [all kinds of Halal foods which Allah has made lawful (meat of slaughtered eatable animals, milk products, fats, vegetables, fruits, etc.] and do righteous deeds. Verily! I am Well-Acquainted with what you do.

(24) But you took them for a laughing stock, so much so that they made you forget My Remembrance while you used to laugh at them!

(25) "I will surely punish him with a severe torment, or slaughter him, unless he brings me a clear reason."

(26) Accursed, they shall be seized wherever found, and killed with a (terrible) slaughter.

(27) And, when he (his son) was old enough to walk with him, he said: "O my son! I have seen in a dream that I am slaughtering you (offering you in sacrifice to Allah). So look what you think!" He said: "O my father! Do that which you are commanded, Insha' Allah (if Allah wills), you shall find me of As-Sabirun (the patient)."

(28) Then, when they had both submitted themselves (to the Will of Allah), and he had laid him prostrate on his forehead (or on the side of his forehead for slaughtering);

(29) But when he came to them with Our Ayat (proofs, evidence, verses, lessons, signs, revelations) behold, they laughed at them.

(30) And when the son of Maryam (Mary) is quoted as an example [i.e. 'Îsa (Jesus) is worshipped like their idols], behold, your people cry aloud (laugh out at the example).