SimilarityRank
safer 0.791 6064
safest 0.756 13513
safely 0.729 4406
Safe 0.713 8726
risk-free 0.681 27353
secure 0.674 1865
worry-free 0.655 65017
convenient 0.630 3529
precautions 0.622 11507
hygienic 0.621 32574
unsafe 0.621 12153
safety 0.619 996
drug-free 0.619 53650
precaution 0.616 22006
stress-free 0.611 33121
reliable 0.595 2758
comfortable 0.592 1458
non-toxic 0.588 28141
foolproof 0.586 39969
well-ventilated 0.586 96510
dangerous 0.584 2183
nontoxic 0.580 63903
sane 0.580 16915
safeguarded 0.578 41054
trouble-free 0.573 45649