Related by context. Frequent words. (Click for all words.) 69 safe 53 healthier 53 cleaner 53 easier 53 unsafe 52 cheaper 50 simpler 50 smarter 50 better 44 quicker 42 dangerous 42 Safe 42 risky 42 stronger 41 efficient 41 faster 41 happier 40 safety 40 convenient 39 brighter 39 harder 39 environmentally friendly 39 accessible 39 tougher 38 comfortable 38 lighter 38 safely 38 attractive 38 hazardous 37 user friendly 36 sensible 36 desirable 35 farther 35 worse 35 protect 35 secure 35 stricter 35 affordable 35 feasible 35 expensive 34 newer 34 harmful 34 viable 34 prosperous 34 alternative 34 shorter 33 more 33 less 33 policing 33 economical 33 clearer 33 protecting 33 warmer 32 heavier 32 fewer 32 harm 32 safe haven 32 enjoyable 32 worthwhile 32 pedestrians 32 alternatives 32 somewhere else 32 beneficial 32 vulnerable 31 tighter 31 improve 31 effective 31 protected 31 encourage 31 sooner 31 improving 31 prudent 31 stable 31 poorer 31 improvements 31 reliable 31 greater 31 longer 30 richer 30 responsive 30 stressful 30 hazard 30 inexpensive 30 dangers 30 sustainable 30 improved 30 Safety 30 resistant 30 hazards 30 closer 29 criminals 29 proactive 29 than 29 safeguard 29 risk 29 useful 29 bigger 29 danger 29 elsewhere 29 vigilant 29 acceptable