supplement vs eke out

supplement is a noun but eke out is not a noun.

Word	Noun	Adjective	Verb	Adverb
supplement	Yes	No	Yes	No
eke out	No	No	Yes	No

As verbs, eke out is a hyponym of supplement; that is, eke out is a word with a more specific, narrower meaning than supplement:

Other hyponyms of supplement include vitaminise, vitaminize, fill out, leverage.

supplement (noun)	eke out (noun)
a supplementary component that improves capability
a quantity added (e.g. to make up for a deficiency)
textual matter that is added onto a publication; usually at the end

supplement (verb)	eke out (verb)
add to the very end	obtain with difficulty
add as a supplement to what seems insufficient	make by laborious and precarious means
serve as a supplement to	supplement what is thought to be deficient
	live from day to day, as with some hardship