Group (U V W Y Z) - Spelling Practices

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(1) v. (밑줄) mark a line below, as words; underscore.
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(2) v. Syn. weaken(훼손) weaken by wearing away base or foundation; injure or impair; dig a mine or tunnel beneath
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(3) n. (타당성) quality of having legal force or effectiveness
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(4) n. (밸브) device or structure for controlling the flow of a fluid 
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(5) n. (화장대) quality or state of being vain; emptiness; feelings of excessive pride; conceit
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(6) a. (변형) varying in from, character, or the like; variable; different; diverse.
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(7) n. Syn. plants(식물) plants of an area or a region; plant life
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(8) a. (정통한) acquainted through study or experience; knowledgeable or skilled
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(9) v. Syn. annoy; distress(약올리다) annoy; disturb, especially by minor irritations; be a mystery or bewildering to
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(10) n. (주변) state of being near in space or relationship; proximity