An anagram is a word formed by rearranging all the letters of another word, using each letter exactly once. These words use every letter from "OSLTIFR":
A dry measure formerly used in Scotland; the fourth part of a boll of grain or meal. The Linlithgow wheat firlot was to the imperial bushel as 998 to 1000; the barley firlot as 1456 to 1000.