condense vs shorten

condense and shorten both are verbs.

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

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

Other hypernyms of condense include abbreviate, abridge, contract, cut, foreshorten, reduce.

condense (verb)	shorten (verb)
make more concise	become short or shorter
undergo condensation; change from a gaseous to a liquid state and fall in drops	make shorter than originally intended; reduce or retrench in length or duration
cause a gas or vapor to change into a liquid	reduce in scope while retaining essential elements
compress or concentrate	edit by omitting or modifying parts considered indelicate
remove water from	make short or shorter
become more compact or concentrated
develop due to condensation