Related by context. Frequent words. (Click for all words.) 73 alternatives 58 Alternative 55 viable 53 alternate 53 option 46 environmentally friendly 45 preferable 44 economical 43 inexpensive 43 cheaper 43 workable 43 feasible 42 acceptable 41 avenue 41 innovative 40 options 40 conventional 40 affordable 40 choice 40 efficient 40 attractive 39 solution 38 suitable 38 environmentally 38 traditional 37 unconventional 37 eco friendly 36 sensible 36 ideal 36 method 36 convenient 36 complementary 35 idea 35 newer 35 greener 35 expensive 35 drawbacks 35 riskier 34 renewable 34 instead 34 cheapest 34 safer 34 sustainable 34 alternative fuels 33 substitute 33 excuse 33 safest 33 cheap 33 desirable 33 remedy 33 hybrid 33 effective 33 methods 33 proposition 33 readily available 33 incentive 33 renewable energy 32 example 32 compromise 32 altogether 32 replacement 32 brainer 32 equitable 32 cleaner 32 practical 32 longer 32 adequate 32 old fashioned 32 reliable 31 easily accessible 31 inefficient 31 supplement 31 diversify 31 remedies 31 preferred 31 advantageous 31 substitutes 31 such 31 flexible 31 holistic 31 independent 31 abandoning 30 unsuitable 30 proponent 30 array 30 possibility 30 unorthodox 30 transportation 30 possibilities 30 additional 30 approach 30 optimal 30 energy 30 expedited 30 offer 30 variety 30 combination 30 impediment 30 experimental 30 appropriate 30 disadvantages