random error
assurance, firm, tight, hard, solid, confirm, clear, evident
カク / たし.か
ratio, rate, proportion, %, factor, lead, spearhead, command
ソツ / ひき.いる
mistake, err, do wrong, mislead
ゴ / あやま.る
distinction, difference, variation, discrepancy, margin, balance
サ / さ.す