effort vs feat

effort and feat both are nouns.

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

As nouns, effort and feat are synonyms defined as:

Other synonyms of effort include exploit.

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