syncopate vs shorten

syncopate and shorten both are verbs.

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

As verbs, shorten is a hypernym of syncopate; that is, shorten is a word with a broader meaning than syncopate:

syncopate: omit a sound or letter in a word
shorten: make shorter than originally intended; reduce or retrench in length or duration

syncopate (verb)	shorten (verb)
modify the rhythm by stressing or accenting a weak beat	become short or shorter
omit a sound or letter in a word	make shorter than originally intended; reduce or retrench in length or duration
	reduce in scope while retaining essential elements
	edit by omitting or modifying parts considered indelicate
	make short or shorter