Group (2) - Spelling Practices

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(1) n. (مشتقة) by-product; something derived
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(2) n. (الاقتصاد) branch of social science that deals with the production and distribution and consumption of goods and services and their management 
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(3) a. Syn. active; brisk; vigorous(النشطة) active; brisk; vigorous
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(4) v. Syn. carve; cut(نقش) carve or cut into a block or surface, as used for printing; impress deeply as if by carving
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(5) n. (مقال) composition of any particular subject, usually shorter than formal paper
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(6) n. Syn. crack(عيب) crack; a crack in the earth; defect; flaw; a wrong action
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(7) ad. Syn. aptly; properly(ملائم) aptly; properly
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(8) n. Syn. fortress; stronghold(فورت) a fortified defensive structure; permanent army post
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(9) n. Syn. gas; smoke(الدخان) a cloud of fine particles suspended in a gas; emit a cloud of fine particles 
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(10) v. Syn. cause; produce; create(توليد) bring into being; give rise to; produce