countercurrent vs riptide

countercurrent and riptide both are nouns.

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

As nouns, countercurrent and riptide are synonyms defined as:

countercurrent and riptide: a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current

Other synonyms of countercurrent include crosscurrent, rip, tide rip.

countercurrent (noun)	riptide (noun)
actions counter to the main group activity	a strong surface current flowing outwards from a shore
a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current	a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current