The word(s) "faction" appears 11 time(s) in 11 verse(s) in Quran in Muhammad Pickthal translation.

(1) Hast thou not seen how those who have received a portion of the Scripture invoke the Scripture of Allah (in their disputes) that it may judge between them; then a faction of them turn away, being opposed (to it)?

(2) How should I fear that which ye set up beside Him, when ye fear not to set up beside Allah that for which He hath revealed unto you no warrant? Which of the two factions hath more right to safety? (Answer me that) if ye have knowledge.

(3) We verily sent (messengers) before thee among the factions of the men of old.

(4) And they say: We believe in Allah and the messenger, and we obey; then after that a faction of them turn away. Such are not believers.

(5) And when they appeal unto Allah and His messenger to judge between them, lo! a faction of them are averse;

(6) Lo! the devil is an enemy for you, so treat him as an enemy. He only summoneth his faction to be owners of the flaming Fire.

(7) A defeated host are (all) the factions that are there.

(8) And (the tribe of) Thamud, and the folk of Lot, and the dwellers in the wood: these were the factions.

(9) The folk of Noah and the factions after them denied (their messengers) before these, and every nation purposed to seize their messenger and argued falsely, (thinking) thereby to refute the Truth. Then I seized them, and how (awful) was My punishment.

(10) And he who believed said: O my people! Lo! I fear for you a fate like that of the factions (of old);