understanding, comprehension / appreciation

solve (a problem); answer (a question); unravel (a riddle) / comb; untangle (hair)

untie; unravel; undo (a fastening); unwrap / dispel (doubts); clear up (a matter)

(physically) true, straight, unwarped, unskewed, proper / (abstractly) correct, right, true

(uncommon, dialect) factual, true, correct, accurate / (uncommon, dialect) genuine, real / (uncommon, dialect) actual, real, certain

understand, comprehend / appreciate

important, significant

importance, consequence, significance

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

淳二, 淳司, 純司, 純次, 隼士, 順治, 順二, 順次: a male given name