directing vs directional

directing and directional both are adjectives.

Word	Noun	Adjective	Verb	Adverb
directing	No	Yes	No	No
directional	No	Yes	No	No

As adjectives, directing and directional are synonyms defined as:

directing and directional: showing the way by conducting or leading; imposing direction on

Other synonyms of directing include directive, guiding.

directing (adjective)	directional (adjective)
showing the way by conducting or leading; imposing direction on	relating to or indicating directions in space
	relating to direction toward a (nonspatial) goal
	showing the way by conducting or leading; imposing direction on