Letters that make serf
s, e, f, r are letters that make 'serf'
refs is an anagram of 'serf'
serfs is a word created by adding a letter to 'serf'
1 possible definitions for 'serf'
Under this definition, serf is a noun and has the following properties:
'serf' can be a type of thrall.
'serf' can be a category of Middle Ages, Dark Ages.
'serf' can be a region of Europe