We don't have synonyms for stubbles yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are stumble, stubble and bubbles.
(n) :
(countable and uncountable) Short, coarse hair, especially on a man’s face.
(n) :
(countable and uncountable) The short stalks left in a field after crops have been harvested.
(v) :
(agriculture) To produce a crop in a field of stubble that remains after a preceding crop is removed, either by sowing a second crop or by allowing shoots to sprout from the roots of the stubble.
(n) :
(countable and uncountable) Short, coarse hair, especially on a man’s face.
(n) :
(countable and uncountable) The short stalks left in a field after crops have been harvested.
(v) :
(agriculture) To produce a crop in a field of stubble that remains after a preceding crop is removed, either by sowing a second crop or by allowing shoots to sprout from the roots of the stubble.