pyroligneous acid vs wood vinegar

pyroligneous acid and wood vinegar both are nouns.

Word	Noun	Adjective	Verb	Adverb
pyroligneous acid	Yes	No	No	No
wood vinegar	Yes	No	No	No

As nouns, pyroligneous acid and wood vinegar are synonyms defined as:

pyroligneous acid and wood vinegar: a red-brown liquid formed in distillation of wood which contains acetic acid, methanol, acetone, wood oils, and tars

pyroligneous acid (noun)	wood vinegar (noun)
a red-brown liquid formed in distillation of wood which contains acetic acid, methanol, acetone, wood oils, and tars	a red-brown liquid formed in distillation of wood which contains acetic acid, methanol, acetone, wood oils, and tars