safe

verb 0.723

safety

verb 0.704

foolproof

verb 0.663

play it safe

verb 0.632

unsafety

verb 0.613

unsafe

verb 0.587

fail fast

verb 0.575

secure

verb 0.542

salvo

verb 0.540

fault

verb 0.540

fail over

verb 0.539

backstop

verb 0.536

bombproof

verb 0.535

bulletproof

verb 0.534

shockproof

verb 0.522

fail

verb 0.516

fall back

verb 0.513

save the day

verb 0.509

fireproof

verb 0.507

flameproof

verb 0.507

guarantee

verb 0.501