shorten vs castrate

shorten is not a noun while castrate is a noun.

Word	Noun	Adjective	Verb	Adverb
shorten	No	No	Yes	No
castrate	Yes	No	Yes	No

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

Other hyponyms of shorten include bowdlerise, bowdlerize, expurgate, shorten, concentrate, condense, digest.

As verbs, shorten and castrate are synonyms defined as:

shorten and castrate: edit by omitting or modifying parts considered indelicate

Other synonyms of shorten include bowdlerise, bowdlerize, expurgate.

shorten (noun)	castrate (noun)
	a man who has been castrated and is incapable of reproduction

shorten (verb)	castrate (verb)
become short or shorter	remove the testicles of a male animal
make shorter than originally intended; reduce or retrench in length or duration	remove the ovaries of
reduce in scope while retaining essential elements	deprive of strength or vigor
edit by omitting or modifying parts considered indelicate	edit by omitting or modifying parts considered indelicate
make short or shorter