The word(s) "devotion" appears 14 time(s) in 14 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) And whatever ye spend in charity or devotion, be sure Allah knows it all. But the wrong-doers have no helpers.

(2) Say: "My Lord hath commanded justice; and that ye set your whole selves (to Him) at every time and place of prayer, and call upon Him, making your devotion sincere as in His sight: such as He created you in the beginning, so shall ye return."

(3) Those that turn (to Allah) in repentance; that serve Him, and praise Him; that wander in devotion to the cause of Allah,: that bow down and prostrate themselves in prayer; that enjoin good and forbid evil; and observe the limit set by Allah;- (These do rejoice). So proclaim the glad tidings to the Believers.

(4) Now, if they embark on a boat, they call on Allah, making their devotion sincerely (and exclusively) to Him; but when He has delivered them safely to (dry) land, behold, they give a share (of their worship to others)!-

(5) When a wave covers them like the canopy (of clouds), they call to Allah, offering Him sincere devotion. But when He has delivered them safely to land, there are among them those that halt between (right and wrong). But none reject Our Signs except only a perfidious ungrateful (wretch)!

(6) And We did try Solomon: We placed on his throne a body (without life); but he did turn (to Us in true devotion):

(7) Verily it is We Who have revealed the Book to thee in Truth: so serve Allah, offering Him sincere devotion.

(8) Is it not to Allah that sincere devotion is due? But those who take for protectors other than Allah (say): "We only serve them in order that they may bring us nearer to Allah." Truly Allah will judge between them in that wherein they differ. But Allah guides not such as are false and ungrateful.

(9) Say: "Verily, I am commanded to serve Allah with sincere devotion;

(10) Say: "It is Allah I serve, with my sincere (and exclusive) devotion: