current vs flowing

current and flowing both are nouns.

Word	Noun	Adjective	Verb	Adverb
current	Yes	Yes	No	No
flowing	Yes	Yes	No	No

As nouns, flowing is a hypernym of current; that is, flowing is a word with a broader meaning than current:

Other hypernyms of current include flow.

current (noun)	flowing (noun)
a steady flow of a fluid (usually from natural causes)	the motion characteristic of fluids (liquids or gases)
dominant course (suggestive of running water) of successive events or ideas
a flow of electricity through a conductor

current (adjective)	flowing (adjective)
occurring in or belonging to the present time	designed or arranged to offer the least resistance to fluid flow