strenuousness

noun 0.779

onerousness

noun 0.737

tediousness

noun 0.668

hardship

noun 0.659

assiduousness

noun 0.652

hardness

noun 0.646

hardihood

noun 0.634

rigorousness

noun 0.634

hard war

noun 0.622

harshness

noun 0.612

difficulty

noun 0.610

gruelling

noun 0.609

drudgery

noun 0.606

ardour

noun 0.599

burdensomeness

noun 0.594

assiduity

noun 0.594

effort

noun 0.594

ponderousness

noun 0.591

asperity

noun 0.590

endurance

noun 0.586

rigour

noun 0.582

demandingness

noun 0.570

earnestness

noun 0.565

hard

noun 0.562

heaviness

noun 0.561

painstaking

noun 0.558

obduracy

noun 0.556

diligence

noun 0.554

industriousness

noun 0.553

doggedness

noun 0.553

adverseness

noun 0.549

hards

noun 0.546

grievousness

noun 0.545

ardor

noun 0.545

audaciousness

noun 0.544

harrowing

noun 0.543

tedium

noun 0.543

exertion

noun 0.541

hard g

noun 0.540

toughness

noun 0.539

sturdiness

noun 0.538

tenaciousness

noun 0.537

ordeal

noun 0.536

painfulness

noun 0.533

hardheadedness

noun 0.531

hardman

noun 0.531

hellishness

noun 0.530

enduring

noun 0.530

ruggedness

noun 0.528

hard out

noun 0.528

adversity

noun 0.528

fastidiousness

noun 0.527

dreadfulness

noun 0.527

weariness

noun 0.526

endeavor

noun 0.525

tirelessness

noun 0.524

dourness

noun 0.524

endeavoring

noun 0.523

tiresomeness

noun 0.518

relentlessness

noun 0.517

elaborateness

noun 0.516

sternness

noun 0.516

studiousness

noun 0.516

dreariness

noun 0.516

tiring

noun 0.515

hazardousness

noun 0.515

hardening

noun 0.514

strictness

noun 0.514

acerbity

noun 0.513

effortlessness

noun 0.513

seriousness

noun 0.512

obstreperousness

noun 0.512

adroitness

noun 0.511

eeriness

noun 0.511

heinousness

noun 0.510

duress

noun 0.510

costliness

noun 0.510

heavy lifting

noun 0.509

atrociousness

noun 0.508

toil

noun 0.505

drudge

noun 0.505

earnest

noun 0.504

travail

noun 0.503

complicatedness

noun 0.502

perseverance

noun 0.502

tenacity

noun 0.501

bullheadedness

noun 0.500