The word(s) "harsh" appears 6 time(s) in 6 verse(s) in Quran in Muhammad Pickthal translation.

(1) Allah loveth not the utterance of harsh speech save by one who hath been wronged. Allah is ever Hearer, Knower.

(سورة النساء, An-Nisaa, Chapter #4, Verse #148)
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(2) O Prophet! Strive against the disbelievers and the hypocrites! Be harsh with them. Their ultimate abode is hell, a hapless journey's end.

(سورة التوبة, At-Tawba, Chapter #9, Verse #73)
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(3) O ye who believe! Fight those of the disbelievers who are near to you, and let them find harshness in you, and know that Allah is with those who keep their duty (unto Him).

(سورة التوبة, At-Tawba, Chapter #9, Verse #123)
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(4) And when Our commandment came to pass We saved Hud and those who believed with him by a mercy from Us; We saved them from a harsh doom.

(سورة هود, Hud, Chapter #11, Verse #58)
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(5) Which he sippeth but can hardly swallow, and death cometh unto him from every side while yet he cannot die, and before him is a harsh doom.

(سورة ابراهيم, Ibrahim, Chapter #14, Verse #17)
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(6) Be modest in thy bearing and subdue thy voice. Lo! the harshest of all voices is the voice of the ass.

(سورة لقمان, Luqman, Chapter #31, Verse #19)
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