The word(s) "liars" appears 31 time(s) in 31 verse(s) in Quran in Muhammad Habib Shakir translation.

(11) So that He might make manifest to them that about which they differ, and that those who disbelieve might know that they were liars.

(12) And when those who associate (others with Allah) shall see their associate-gods, they shall say: Our Lord, these are our associate-gods on whom we called besides Thee. But they will give them back the reply: Most surely you are liars.

(13) Only they forge the lie who do not believe in Allah's communications, and these are the liars.

(14) Nay! We have brought to them the truth, and most surely they are liars.

(15) And the fifth (time) that the curse of Allah be on him if he is one of the liars.

(16) And it shall avert the chastisement from her if she testify four times, bearing Allah to witness that he is most surely one of the liars;

(17) Why did they not bring four witnesses of it? But as they have not brought witnesses they are liars before Allah.

(18) And you are naught but a mortal like ourselves, and we know you to be certainly of the liars.

(19) They incline their ears, and most of them are liars.

(20) He said: We will see whether you have told the truth or whether you are of the liars: