effort vs derring-do

effort and derring-do both are nouns.

Word	Noun	Adjective	Verb	Adverb
effort	Yes	No	No	No
derring-do	Yes	No	No	No

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

Other hyponyms of effort include hit, rally, rallying, stunt, tour de force.

effort (noun)	derring-do (noun)
earnest and conscientious activity intended to do or accomplish something	brave and heroic feats
use of physical or mental energy; hard work
a notable achievement
a series of actions advancing a principle or tending toward a particular end