embellish vs neaten

embellish and neaten both are verbs.

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

As verbs, neaten is a hyponym of embellish; that is, neaten is a word with a more specific, narrower meaning than embellish:

embellish (verb)	neaten (verb)
make more beautiful	care for one's external appearance
add details to	put (things or places) in order
make more attractive by adding ornament, colour, etc.
be beautiful to look at