Lengths is a 7 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 12 points.
You can make 135 anagrams from letters in lengths (eghlnst).
before 900; Middle English length(e), Old English lengthu; cognate with Dutch lengte, Old Norse lengd. See long1, Examples for lengths
Only now, when we were able to talk frankly and at length, did I come to realize how profoundly it had affected him. At length the servant returned, saying his master was now ready to see them. “It seems that the different standard is (based on) the length of the beard and outwardly display of piety,” Hamdani said. Looking around him, he at length, from the edge of the valley, descried Robert. Hitchcock was fascinated when I pointed out the similarity, and considered it at some length. People in the comments section were complaining about the length of one of these essays that ran in The New Yorker. At length, carried away by impatience, I reprimanded him publicly. But this neglect has at length recoiled upon the heads of its promoters. The camera dollied backward along the length of the tower's staircase while simultaneously its lens zoomed forward. He returned at length with the message, "The lady says will you please step up-stairs."