Related by context. Frequent words. (Click for all words.) 56 intense 55 rigorous 50 arduous 48 extensive 46 labor intensive 46 strenuous 46 grueling 46 specialized 46 painstaking 44 exhaustive 42 exhausting 42 vigorous 41 consuming 41 training 41 tedious 40 intensively 40 undergo 38 thorough 38 lengthy 37 continuous 37 concentrated 37 undergoing 37 comprehensive 37 large scale 36 expensive 35 advanced 35 hectic 35 accelerated 35 underwent 35 productive 35 fruitless 34 yearlong 34 workshops 34 heavy 34 evaluation 34 stressful 34 individualized 34 ongoing 34 sophisticated 34 multifaceted 34 preparatory 34 multidisciplinary 34 exploratory 34 retraining 33 intensified 33 unproductive 33 intensifying 33 costly 33 sessions 33 stringent 33 inefficient 33 complex 33 undertaking 32 systematic 32 brutal 32 Boot Camp 32 internship 32 meticulous 32 exacting 32 protracted 32 conducting 32 structured 32 robust 32 specialization 32 onsite 32 Extensive 31 complicated 31 prolonged 31 weeklong 31 instruction 31 interdisciplinary 31 undertook 31 urgent 31 wide ranging 31 specialists 31 culmination 31 repetitive 31 successful 30 coursework 30 boot camp 30 undergone 30 collaborative 30 fragmented 30 frenetic 30 rigors 30 aggressive 30 multi faceted 30 restrictive 30 daylong 30 problem solving 30 cumbersome 30 efficient 30 fruitful 30 Workshops 30 undertaken 30 harsh 30 fierce 29 conducted 29 holistic approach 29 phase 29 rehabilitation