The word(s) "plain" appears 101 time(s) in 98 verse(s) in Quran in Mohsin Khan translation.

(31) The ground (of complaint) is only against those who are rich, and yet ask exemption. They are content to be with (the women) who sit behind (at home) and Allah has sealed up their hearts (from all kinds of goodness and right guidance) so that they know not (what they are losing).

(32) It is He Who made the sun a shining thing and the moon as a light and measured out for it stages that you might know the number of years and the reckoning. Allah did not create this but in truth. He explains the Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.) in detail for people who have knowledge.

(33) Verily, the likeness of (this) worldly life is as the water (rain) which We send down from the sky; so by it arises the intermingled produce of the earth of which men and cattle eat: until when the earth is clad in its adornments and is beautified, and its people think that they have all the powers of disposal over it, Our Command reaches it by night or by day and We make it like a clean-mown harvest, as if it had not flourished yesterday! Thus do We explain the Ayat (proofs, evidence, verses, lessons, signs, revelations, laws, etc.) in detail for the people who reflect.

(34) O mankind! There has come to you a good advice from your Lord (i.e. the Qur'an, enjoining all that is good and forbidding all that is evil), and a healing for that (disease of ignorance, doubt, hypocrisy and differences) which is in your breasts, - a guidance and a mercy (explaining lawful and unlawful things) for the believers.

(35) Alif-Lam-Ra. [These letters are one of the miracles of the Qur'an and none but Allah (Alone) knows their meanings]. (This is) a Book, the Verses whereof are perfected (in every sphere of knowledge), and then explained in detail from One (Allah) Who is All-Wise Well-Acquainted (with all things).

(36) And indeed We sent Nuh (Noah) to his people (and he said): "I have come to you as a plain warner."

(37) When they said: "Truly, Yusuf (Joseph) and his brother (Benjamin) are dearer to our father than we, while we are a strong group. Really, our father is in a plain error.

(38) And women in the city said: "The wife of Al-'Aziz is seeking to seduce her (slave) young man, indeed she loves him violently; verily we see her in plain error."

(39) And the king (of Egypt) said: "Verily, I saw (in a dream) seven fat cows, whom seven lean ones were devouring, and seven green ears of corn, and (seven) others dry. O notables! Explain to me my dream, if it be that you can interpret dreams."

(40) (He said): "O Yusuf (Joseph), the man of truth! Explain to us (the dream) of seven fat cows whom seven lean ones were devouring, and of seven green ears of corn, and (seven) others dry, that I may return to the people, and that they may know."