Easily find the longest word.
Sort the word list by length using the buttons above the word list, and then reverse the list to place the longest words first.
Get words with similar endings.
Sort the list alphabetically from the end of word, with the buttons above the word list.
Build on to your letters with other letters.
If you want to find words using your letters and more, try the contains minimally search. Sort by length and look at the shortest words. This is a very handy scrabble search.