The word(s) "burden" appears 30 time(s) in 28 verse(s) in Quran in Muhammad Pickthal translation.

(11) Now hath Allah lightened your burden, for He knoweth that there is weakness in you. So if there be of you a steadfast hundred they shall overcome two hundred, and if there be of you a thousand (steadfast) they shall overcome two thousand by permission of Allah. Allah is with the steadfast.

(12) There hath come unto you a messenger, (one) of yourselves, unto whom aught that ye are overburdened is grievous, full of concern for you, for the believers full of pity, merciful.

(13) That they may bear their burdens undiminished on the Day of Resurrection, with somewhat of the burdens of those whom they mislead without knowledge. Ah! evil is that which they bear!

(14) And Allah coineth a similitude: Two men, one of them dumb, having control of nothing, and he is a burden on his owner; whithersoever he directeth him to go, he bringeth no good. Is he equal with one who enjoineth justice and followeth a straight path (of conduct)?

(15) They said: We broke not tryst with thee of our own will, but we were laden with burdens of ornaments of the folk, then cast them (in the fire), for thus As-Samiri proposed.

(16) Whoso turneth away from it, he verily will bear a burden on the Day of Resurrection,

(17) Abiding under it - an evil burden for them on the Day of Resurrection,

(18) And faces humble themselves before the Living, the Eternal. And he who beareth (a burden of) wrongdoing is indeed a failure (on that day).

(19) On the day when ye behold it, every nursing mother will forget her nursling and every pregnant one will be delivered of her burden, and thou (Muhammad) wilt see mankind as drunken, yet they will not be drunken, but the Doom of Allah will be strong (upon them).

(20) Now Korah was of Moses' folk, but he oppressed them; and We gave him so much treasure that the stores thereof would verily have been a burden for a troop of mighty men. When his own folk said unto him: Exult not; lo! Allah loveth not the exultant;