relations vs dealings

relations and dealings both are nouns.

Word	Noun	Adjective	Verb	Adverb
relations	Yes	No	No	No
dealings	Yes	No	No	No

As nouns, relations and dealings are synonyms defined as:

relations and dealings: mutual dealings or connections or communications among persons or groups

relations (noun)	dealings (noun)
mutual dealings or connections or communications among persons or groups	the act of transacting within or between groups (as carrying on commercial activities)
	social or verbal interchange (usually followed by `with')
	mutual dealings or connections or communications among persons or groups