pathos vs poignancy

pathos and poignancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
pathos	Yes	No	No	No
poignancy	Yes	No	No	No

As nouns, pathos and poignancy are synonyms defined as:

pathos and poignancy: a quality that arouses emotions (especially pity or sorrow)

pathos (noun)	poignancy (noun)
a quality that arouses emotions (especially pity or sorrow)	a quality that arouses emotions (especially pity or sorrow)
a style that has the power to evoke feelings	a state of deeply felt distress or sorrow
a feeling of sympathy and sorrow for the misfortunes of others