swash vs overdraw

swash is a noun but overdraw is not a noun.

Word	Noun	Adjective	Verb	Adverb
swash	Yes	No	Yes	No
overdraw	No	No	Yes	No

As verbs, overdraw is a hypernym of swash; that is, overdraw is a word with a broader meaning than swash:

Other hypernyms of swash include amplify, exaggerate, hyperbolise, hyperbolize, magnify, overstate.

swash (noun)	overdraw (noun)
the movement or sound of water

swash (verb)	overdraw (verb)
act in an arrogant, overly self-assured, or conceited manner	to enlarge beyond bounds or the truth
show off	draw more money from than is available
dash a liquid upon or against
make violent, noisy movements