sturdiness

noun 0.847

stout

noun 0.725

stong

noun 0.681

stalwart

noun 0.678

durable

noun 0.665

stoutness

noun 0.651

robusta

noun 0.650

stiff

noun 0.650

hardy

noun 0.649

strength

noun 0.635

stably

noun 0.632

stubborn

noun 0.629

solidness

noun 0.629

stabile

noun 0.626

strongback

noun 0.626

robustness

noun 0.623

steady

noun 0.617

steadier

noun 0.603

toughness

noun 0.603

firmer

noun 0.601

stable

noun 0.601

fortitude

noun 0.601

strengthener

noun 0.598

staunchness

noun 0.594

firmness

noun 0.592

tough

noun 0.590

steadfastness

noun 0.589

rigid

noun 0.588

ruggedness

noun 0.586

hardihood

noun 0.584

durability

noun 0.584

stiffy

noun 0.582

forte

noun 0.582

stob

noun 0.580

bulwark

noun 0.579

bombproof

noun 0.577

stabler

noun 0.576

stiffness

noun 0.567

brawn

noun 0.566

stiffener

noun 0.565

dependable

noun 0.564

stiffening

noun 0.563

substantial

noun 0.562

stubby

noun 0.562

hard

noun 0.561

solid

noun 0.561

fortis

noun 0.560

standing

noun 0.559

resolute

noun 0.557

strongman

noun 0.557

hardman

noun 0.556

upright

noun 0.556

thickset

noun 0.556

steading

noun 0.556

firm

noun 0.555

reliable

noun 0.554

inner strength

noun 0.554

stanch

noun 0.553

toughie

noun 0.551

stabilizer

noun 0.551

resistant

noun 0.550

steel

noun 0.550

strong reference

noun 0.549

trusty

noun 0.548

robusticity

noun 0.548

steadiness

noun 0.547

fastness

noun 0.547

stability

noun 0.546

strut

noun 0.546

stand

noun 0.545

stead

noun 0.542

storable

noun 0.540

stodge

noun 0.540

hards

noun 0.540

stumper

noun 0.539

thick

noun 0.537

heavy

noun 0.537

stot

noun 0.536

industrial strength

noun 0.535

sterling

noun 0.535

structural

noun 0.533

hard g

noun 0.533

stubbornness

noun 0.532

sty

noun 0.532

stature

noun 0.532

structure

noun 0.531

rocksteady

noun 0.531

rigid body

noun 0.531

stomper

noun 0.530

fragile

noun 0.530

staidness

noun 0.530

superstrength

noun 0.530

stang

noun 0.529

strengthening

noun 0.529

tall

noun 0.529

heavy piece

noun 0.529

bolster

noun 0.527

stander

noun 0.526

gutty

noun 0.526

frail

noun 0.525