swallow vs disown

swallow is a noun but disown is not a noun.

Word	Noun	Adjective	Verb	Adverb
swallow	Yes	No	Yes	No
disown	No	No	Yes	No

As verbs, disown is a hypernym of swallow; that is, disown is a word with a broader meaning than swallow:

Other hypernyms of swallow include renounce, repudiate.

swallow (noun)	disown (noun)
the act of swallowing
small long-winged songbird noted for swift graceful flight and the regularity of its migrations
a small amount of liquid food

swallow (verb)	disown (verb)
believe or accept without questioning or challenge	cast off
keep from expressing	prevent deliberately (as by making a will) from inheriting
tolerate or accommodate oneself to
take back what one has said
utter unclearly
engulf and destroy
pass through the esophagus as part of eating or drinking
enclose or envelop completely, as if by swallowing