prevailing vs prevalent

prevailing and prevalent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
prevailing	No	Yes	No	No
prevalent	No	Yes	No	No

As adjectives, prevailing and prevalent are synonyms defined as:

Other synonyms of prevailing include dominant, predominant, rife.

prevailing (adjective)	prevalent (adjective)
most frequent or common	most frequent or common