For starters, unique words don't tend to run in straight lines in these word-searches.
These grids have been IMBUEd with differently-shaped five-letter words in some order. Did that help clear any mental blockZ?
There are twelve different free pentominoes, and each grid has one copy of each.
Once you've identified the blocks, read off the first letter of each in left-to-right, top-to-bottom order for the next step, which uses the blocks' canonical letter names.