fill out vs enrich

fill out and enrich both are verbs.

Word	Noun	Adjective	Verb	Adverb
fill out	No	No	Yes	No
enrich	No	No	Yes	No

As verbs, enrich is a hypernym of fill out; that is, enrich is a word with a broader meaning than fill out:

fill out (verb)	enrich (verb)
become round, plump, or shapely	make better or improve in quality
make bigger or better or more complete	make wealthy or richer
write all the required information onto a form
make fat or plump
line or stuff with soft material
supplement what is thought to be deficient