4000 Eiken (N O) - Spelling Practices

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(1) a. 負 adverse; involving disadvantage or harm; pessimistic

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(2) a. 夜行性 of or relating to or occurring in the night; most active at night

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(3) n. 表記 technical system of symbols used to represent special things; comment or instruction

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(4) v. 栄養 provide with nourishment; provide with food or other substances necessary for life and growth

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(5) a. 核 of, relating to, or forming a nucleus of an atom; pertaining to, or using [___] weapons

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(6) n. 障害 one that opposes stands in the way of or holds up progress

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(7) a. 不定期 random; occurring from time to time; infrequent

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(8) a. 海上親族嗅神経 relating to, or contributing to a sense of smell

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(9) a. オプション not obligatory; left to choice; not compulsory or automatic

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(10) a. 起源 not second hand; not copied or translated from something else