Group (E) - Spelling Practices

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(1) n. (Экология) science of the relationships between organisms and their environments
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(2) a. Syn. thrifty; saving(экономические) thrifty; saving; using the minimum of time or resources necessary for effectiveness
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(3) a. Syn. basic; fundamental(элементарных) basic; fundamental
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(4) v. Syn. commence(начать) commence; go on board a boat or airplane; begin a journey
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(5) v. Syn. appear(появляются) come into prominence; spring up; appear
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(6) v. Syn. follow(наступить) pursue; follow or come afterward; follow as a consequence
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(7) n. Syn. company; firm; business(предприятия) company; firm; organization created for business ventures 
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(8) n. (лица) real being; something that exists as a particular and discrete unit; fact of existence
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(9) n. Syn. businessperson; enterprise(предприниматель) person who organizes and operates a business; contractor
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(10) a. Syn. necessary; critical; vital; indispensable; fundamental(эфирные) necessary; critical; vital; constituting or being part of the essence of something