flanker vs war machine

flanker and war machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
flanker	Yes	No	No	No
war machine	Yes	No	No	No

flanker (noun)	war machine (noun)
a soldier who is a member of a detachment assigned to guard the flanks of a military formation	the military forces of a nation
a back stationed wide of the scrimmage line; used as a pass receiver