The word(s) "oil" appears 38 time(s) in 36 verse(s) in Quran in Abdullah Yusuf Ali translation.

(21) Then on top of that they will be given a mixture made of boiling water.

(22) Yea, such! - then shall they taste it,- a boiling fluid, and a fluid dark, murky, intensely cold!-

(23) In the boiling fetid fluid: then in the Fire shall they be burned;

(24) Like molten brass; it will boil in their insides.

(25) Like the boiling of scalding water.

(26) "Then pour over his head the Penalty of Boiling Water,

(27) (Here is) a Parable of the Garden which the righteous are promised: in it are rivers of water incorruptible; rivers of milk of which the taste never changes; rivers of wine, a joy to those who drink; and rivers of honey pure and clear. In it there are for them all kinds of fruits; and Grace from their Lord. (Can those in such Bliss) be compared to such as shall dwell for ever in the Fire, and be given, to drink, boiling water, so that it cuts up their bowels (to pieces)?

(28) In its midst and in the midst of boiling hot water will they wander round!

(29) (They will be) in the midst of a Fierce Blast of Fire and in Boiling Water,

(30) "And drink Boiling Water on top of it: