fillet vs embellish

fillet is a noun but embellish is not a noun.

Word	Noun	Adjective	Verb	Adverb
fillet	Yes	No	Yes	No
embellish	No	No	Yes	No

As verbs, embellish is a hypernym of fillet; that is, embellish is a word with a broader meaning than fillet:

Other hypernyms of fillet include adorn, beautify, decorate, grace, ornament.

fillet (noun)	embellish (noun)
a narrow headband or strip of ribbon worn as a headband
fastener consisting of a narrow strip of welded metal used to join steel members
lace having a square mesh
a bundle of sensory nerve fibers going to the thalamus
a boneless steak cut from the tenderloin of beef
a longitudinal slice or boned side of a fish

fillet (verb)	embellish (verb)
cut into filets	make more beautiful
decorate with a lace of geometric designs	add details to
	make more attractive by adding ornament, colour, etc.
	be beautiful to look at