We don't have synonyms for drugget yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are drugged and drugger.
(n) :
an inexpensive coarsewoolen cloth, used as a covering for finer carpets, as a layer between the carpet and the floor, or as a cheap floor covering on its own; a floor covering made of drugget
"this carpet was a small square drugget in the centre of the room... —Arthur Conan Doyle, The Adventure of the Second Stain, December 1904"
(n) :
an inexpensive coarsewoolen cloth, used as a covering for finer carpets, as a layer between the carpet and the floor, or as a cheap floor covering on its own; a floor covering made of drugget
"this carpet was a small square drugget in the centre of the room... —Arthur Conan Doyle, The Adventure of the Second Stain, December 1904"