Related by context. Frequent words. (Click for all words.) 61 undertaking 44 undertake 43 ambitious 43 undertaken 43 arduous 42 massive 42 endeavor 41 large scale 40 daunting 40 task 40 undertook 40 arduous task 39 mammoth 39 strenuous 38 monumental task 38 enormous 38 colossal 38 feasibility studies 38 monumental 38 huge 37 worthwhile 37 undertakings 37 immense 37 project 37 substantial 36 refurbishment 36 intensive 36 commendable 36 gigantic 36 preparatory 35 daunting task 35 painstaking 35 projects 35 infrastructural 35 thorough 35 refurbishments 35 grueling 35 tasks 34 major 34 multifaceted 34 entailed 34 refit 34 delicate balancing act 34 exhaustive 34 laudable 34 concerted 34 expeditions 34 rewarding 34 tree planting 34 modernization 34 due diligence 34 entails 33 feasibility study 33 gargantuan 33 exhausting 33 co ordinating 33 extensive 33 multi pronged 33 missions 33 considerable 33 renovation 33 constructing 32 multi faceted 32 rigorous 32 embarked upon 32 labor intensive 32 refurbishing 32 significant 32 reconstruction 32 wide ranging 31 unprecedented 31 commissioning 31 balancing act 31 vigorous 31 remedial 31 momentous 31 systematic 31 sortie 31 embarked 31 reforestation 31 onerous 31 multi disciplinary 31 co ordinated 30 laborious 30 rebuilding 30 noble 30 upgrading 30 logistically 30 risky 30 entail 30 revamp 30 work 30 sizeable 30 restoration 30 fieldwork 30 vast 30 excavation 30 sorties 30 costly 30 initiative 30 embarking