Group (4) - Spelling Practices

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(1) n. (кварца) a hard glossy mineral consisting of silicon dioxide in crystal form
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(2) a. (отзывный) capable of being revoked; as, a [___] edict or grant; a [___] covenant.
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(3) n. (разрыва) act of making a sudden noisy break
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(4) a. Syn. country; rustic(сельских) country; relating to [___] areas
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(5) n. Syn. sheath(ножны) case for sword blade; sheath
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(6) n. (подводное) a device that lets divers breathe under water
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(7) n. Syn. coast; beach; shore(побережье) coast; beach; the shore of a sea or ocean 
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(8) n. Syn. bush(кустарник) bush
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(9) n. Syn. balance; constancy(устойчивости) balance; constancy
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(10) a. (дополнительного) added to complete or make up a deficiency