The word(s) "burden" appears 40 time(s) in 30 verse(s) in Quran in Mohsin Khan translation.

(21) So, when you meet (in fight - Jihad in Allah's Cause) those who disbelieve, smite (their) necks till when you have killed and wounded many of them, then bind a bond firmly (on them, i.e. take them as captives). Thereafter (is the time) either for generosity (i.e. free them without ransom), or ransom (according to what benefits Islam), until the war lays down its burden. Thus [you are ordered by Allah to continue in carrying out Jihad against the disbelievers till they embrace Islam and are saved from the punishment in the Hell-fire or at least come under your protection], but if it had been Allah's Will, He Himself could certainly have punished them (without you). But (He lets you fight) in order to test some of you with others. But those who are killed in the Way of Allah, He will never let their deeds be lost.

(22) Or is it that you (O Muhammad صلى الله عليه وسلم) ask a wage from them (for your preaching of Islamic Monotheism) so that they are burdened with a load of debt?

(23) That no burdened person (with sins) shall bear the burden (sins) of another.

(24) The likeness of those who were entrusted with the (obligation of the) Taurat (Torah) (i.e. to obey its commandments and to practise its laws), but who subsequently failed in those (obligations), is as the likeness of a donkey which carries huge burdens of books (but understands nothing from them). How bad is the example of people who deny the Ayat (proofs, evidence, verses, signs, revelations) of Allah. And Allah guides not the people who are Zalimun (polytheists, wrong-doers, disbelievers).

(25) And those of your women as have passed the age of monthly courses, for them the 'Iddah (prescribed period), if you have doubt (about their periods), is three months; and for those who have no courses [(i.e. they are still immature) their 'Iddah (prescribed period) is three months likewise, except in case of death] . And for those who are pregnant (whether they are divorced or their husbands are dead), their 'Iddah (prescribed period) is until they lay down their burden; and whosoever fears Allah and keeps his duty to Him, He will make his matter easy for him.

(26) Lodge them (the divorced women) where you dwell, according to your means, and do not harm them so as to straiten them (that they be obliged to leave your house). And if they are pregnant, then spend on them till they lay down their burden. Then if they give suck to the children for you, give them their due payment, and let each of you accept the advice of the other in a just way. But if you make difficulties for one another, then some other woman may give suck for him (the father of the child).

(27) Let the rich man spend according to his means; and the man whose resources are restricted, let him spend according to what Allah has given him. Allah puts no burden on any person beyond what He has given him. Allah will grant after hardship, ease.

(28) Or is it that you (O Muhammad صلى الله عليه وسلم) ask them a wage, so that they are heavily burdened with debt?

(29) And removed from you your burden.

(30) And when the earth throws out its burdens.