pyrolignic vs pyroligneous

pyrolignic and pyroligneous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
pyrolignic	No	Yes	No	No
pyroligneous	No	Yes	No	No

As adjectives, pyrolignic and pyroligneous are synonyms defined as:

pyrolignic and pyroligneous: of a substance produced by the effect of heat on wood, especially by destructive distillation

pyrolignic (adjective)	pyroligneous (adjective)
of a substance produced by the effect of heat on wood, especially by destructive distillation	of a substance produced by the effect of heat on wood, especially by destructive distillation