unilaterality vs directionality

unilaterality and directionality both are nouns.

Word	Noun	Adjective	Verb	Adverb
unilaterality	Yes	No	No	No
directionality	Yes	No	No	No

As nouns, directionality is a hypernym of unilaterality; that is, directionality is a word with a broader meaning than unilaterality:

unilaterality: The state or quality of being unilateral; one-sidedness.
directionality: the property of being directional or maintaining a direction

unilaterality (noun)	directionality (noun)
The state or quality of being unilateral; one-sidedness.	the property of a microphone or antenna of being more sensitive in one direction than in another
	the property of being directional or maintaining a direction