effort vs seeking

effort and seeking both are nouns.

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

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

effort: earnest and conscientious activity intended to do or accomplish something
seeking: an attempt to acquire or gain something

effort (noun)	seeking (noun)
earnest and conscientious activity intended to do or accomplish something	the act of searching for something
use of physical or mental energy; hard work	an attempt to acquire or gain something
a notable achievement
a series of actions advancing a principle or tending toward a particular end