inefficacy

noun 0.836

noneffective

noun 0.778

effeteness

noun 0.706

ineptness

noun 0.706

inefficiency

noun 0.700

uselessness

noun 0.691

ineptitude

noun 0.690

effectiveness

noun 0.689

inefficient

noun 0.665

incompetence

noun 0.656

inutility

noun 0.651

unproductiveness

noun 0.650

fruitlessness

noun 0.649

nonfunctionality

noun 0.646

effectuality

noun 0.643

invalidity

noun 0.639

effectivity

noun 0.634

worthlessness

noun 0.629

unenforceability

noun 0.627

inability

noun 0.626

incompetency

noun 0.620

impotency

noun 0.618

unfruitfulness

noun 0.618

inapplicability

noun 0.617

futility

noun 0.617

dysfunctionality

noun 0.610

defectiveness

noun 0.610

inadequacy

noun 0.610

efficaciousness

noun 0.600

inaction

noun 0.595

pointlessness

noun 0.593

fecklessness

noun 0.592

incapability

noun 0.591

impracticality

noun 0.589

insufficiency

noun 0.589

purposelessness

noun 0.582

efficacy

noun 0.582

powerlessness

noun 0.579

impotence

noun 0.579

meaninglessness

noun 0.577

incompetent

noun 0.572

effective

noun 0.568

unprofitability

noun 0.567

inactivity

noun 0.566

unworthiness

noun 0.563

incorrectness

noun 0.562

efficacity

noun 0.561

unfitness

noun 0.559

irrelevancy

noun 0.558

inconsequentiality

noun 0.558

unfeasibility

noun 0.557

inexistence

noun 0.557

insignificance

noun 0.556

ill effect

noun 0.555

nonexistence

noun 0.554

infeasibility

noun 0.552

inappropriateness

noun 0.552

impotent

noun 0.551

wastefulness

noun 0.550

irrelevance

noun 0.548

nonperformance

noun 0.547

inconsequence

noun 0.547

nonviability

noun 0.547

counterproductivity

noun 0.546

impuissance

noun 0.545

unsuitableness

noun 0.545

faultiness

noun 0.543

inadequate

noun 0.543

feebleness

noun 0.541

senselessness

noun 0.537

unimportance

noun 0.537

inertness

noun 0.536

inexperience

noun 0.536

unsuitability

noun 0.536

incapacity

noun 0.535

ineligibility

noun 0.534

unworkable

noun 0.533

inexpressiveness

noun 0.533

helplessness

noun 0.533

unreliability

noun 0.532

dysfunction

noun 0.530

inelegance

noun 0.530

infertility

noun 0.530

weakness

noun 0.530

inelasticity

noun 0.530

defectivity

noun 0.529

inauspiciousness

noun 0.529

inadvisability

noun 0.527

inconclusiveness

noun 0.527

invalidism

noun 0.526

inaccuracy

noun 0.525

unacceptability

noun 0.525

insubstantiality

noun 0.524

inequivalence

noun 0.524

incoherence

noun 0.522

witlessness

noun 0.521

unavailability

noun 0.520

incompatibility

noun 0.520

unhealthiness

noun 0.520

nullity

noun 0.519