trivial solution

noun 0.740

nontriviality

noun 0.707

solution

noun 0.564

nonzero

noun 0.554

nonsingularity

noun 0.538

trinomial

noun 0.529

solver

noun 0.517

trivial group

noun 0.506

nonproblem

noun 0.505

initial-value problem

noun 0.503

supersolution

noun 0.501