rhsl @ 28 - agreed regarding the second name. There is an additional letter there but I think it's unavoidable. Therefore as you say this entry is neither a word nor (just) the thematic name.
After much staring and experimenting, I think I have a way of carrying out the key instruction but it involves eliminating some material in the grid. I can’t see how that material could be generated if I reversed the procedure as per the prize-winning technique.