radium

noun 0.562

ruthenium

noun 0.557

rother

noun 0.551

rudy

noun 0.540

rubidium

noun 0.537

ruddy

noun 0.536

rud

noun 0.535

rudd

noun 0.532

rumpy

noun 0.524

rutter

noun 0.524

rube

noun 0.521

ruckman

noun 0.521

russet

noun 0.519

rhodium

noun 0.516

rudist

noun 0.507

ruff

noun 0.502

alpha radiation

noun 0.502

ruction

noun 0.501