suer vs petitioner

suer and petitioner both are nouns.

Word	Noun	Adjective	Verb	Adverb
suer	Yes	No	No	No
petitioner	Yes	No	No	No

As nouns, suer and petitioner are synonyms defined as:

suer and petitioner: someone who petitions a court for redress of a grievance or recovery of a right

suer (noun)	petitioner (noun)
someone who petitions a court for redress of a grievance or recovery of a right	one praying humbly for something
a man who courts a woman	someone who petitions a court for redress of a grievance or recovery of a right