countercurrent vs turbulency

countercurrent and turbulency both are nouns.

Word	Noun	Adjective	Verb	Adverb
countercurrent	Yes	No	No	No
turbulency	Yes	No	No	No

As nouns, turbulency is a hypernym of countercurrent; that is, turbulency is a word with a broader meaning than countercurrent:

countercurrent: a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
turbulency: unstable flow of a liquid or gas

Other hypernyms of countercurrent include turbulence.

countercurrent (noun)	turbulency (noun)
actions counter to the main group activity	unstable flow of a liquid or gas
a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current