effort vs rallying

effort and rallying both are nouns.

Word	Noun	Adjective	Verb	Adverb
effort	Yes	No	No	No
rallying	Yes	Yes	No	No

As nouns, rallying is a hyponym of effort; that is, rallying is a word with a more specific, narrower meaning than effort:

Other hyponyms of effort include derring-do, hit, rally, stunt, tour de force.

effort (noun)	rallying (noun)
earnest and conscientious activity intended to do or accomplish something	the act of mobilizing for a common purpose
use of physical or mental energy; hard work	the feat of mustering strength for a renewed effort
a notable achievement
a series of actions advancing a principle or tending toward a particular end

effort (adjective)	rallying (adjective)
	rousing or recalling to unity and renewed effort