call up vs war machine

call up and war machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
call up	Yes	No	Yes	No
war machine	Yes	No	No	No

call up (noun)	war machine (noun)
an order to report for military duty	the military forces of a nation

call up (verb)	war machine (verb)
recall knowledge from memory; have a recollection
get or try to get into communication (with someone) by telephone
bring forward for consideration
call to arms; of military personnel
cause to become available for use, either literally or figuratively