Related by context. Frequent words. (Click for all words.) 70 feasible 67 economically feasible 60 economically viable 56 commercially viable 50 unfeasible 50 financially feasible 49 doable 48 achievable 48 uneconomical 48 financially viable 47 viable 46 uneconomic 45 feasibility 43 impractical 43 economical 42 prohibitive 42 tenable 42 recoverable 42 prohibitively expensive 42 environmentally sound 41 workable 41 feasibility study 41 realizable 40 unviable 40 commercially 40 preferable 39 usable 39 feasibly 38 unworkable 38 useable 38 plausible 38 defensible 38 operable 37 necessary 37 advantageous 37 potable 36 environmentally sustainable 36 sufficient 36 conceptually 36 viability 36 acceptable 36 operationally 36 feasibility studies 35 practical 35 reasonable 35 practicable 35 efficacious 35 worthwhile 35 amenable 35 justifiable 35 effective 34 carbon sequestration 34 unachievable 34 desirable 34 expedient 34 recoverable reserves 34 efficient 34 drinkable 34 scientifically 34 logistically 34 deliverable 33 impossible 33 far fetched 33 scoping study 33 deployable 33 warranted 33 emission reductions 33 environmental impacts 33 scaleable 33 carbon capture 33 attainable 33 reliable 33 beneficial 33 environmentally responsible 33 inconceivable 32 economically 32 habitable 32 thorium 32 conclusively 32 legally obligated 32 credible 32 structurally sound 32 retrofitting 32 accretive 32 theoretical 32 theoretically 32 environmentally 32 enforceable 32 morally wrong 32 compatible 32 silver bullet 32 unserved 32 Feasibility Study 31 logical 31 probable reserves 31 scalable 31 foolhardy 31 operability 31 retrofit 31 adverse impacts 31 problematic