Words with 'y' at the start and 'yim' at the end

What is the maximum number of words you can create from words that start with 'y' and end with 'yim'?
Sad to say you can go with only 1 word.

In Scrabble, what is the best score you can get using this list of words with 'y' at the start and 'yim' at the end?
As there is merely a single word possible, you can only use the word 'yadayim' which totals 16 points.