If you can find words in Scrabble that are 6-letters long then you can score a substantial number of points.
The average word on this list of 6-letter words ending in the letters ARE is worth 9.3 points. But, you can score higher. The highest scoring word on this list is JACARE. It is worth 15 points.
If you can find a word worth 15 points in Words With Friends or Scrabble it can make the difference between winning and losing.
With that being said, it could be worth having a looking at all of the 6-letter words with ARE and all of the words ending in ARE given that we have already established that you do have the letters ARE amongst your tiles.