downtick vs dealings

downtick and dealings both are nouns.

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

As nouns, dealings is a hypernym of downtick; that is, dealings is a word with a broader meaning than downtick:

downtick: a transaction in the stock market at a price below the price of the preceding transaction
dealings: the act of transacting within or between groups (as carrying on commercial activities)

Other hypernyms of downtick include dealing, transaction.

downtick (noun)	dealings (noun)
a transaction in the stock market at a price below the price of the preceding transaction	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