tank vs war machine

tank and war machine both are nouns.

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

tank (noun)	war machine (noun)
a large (usually metallic) vessel for holding gases or liquids	the military forces of a nation
an enclosed armored military vehicle; has a cannon and moves on caterpillar treads
a freight car that transports liquids or gases in bulk
a cell for violent prisoners
as much as a tank will hold

tank (verb)	war machine (verb)
treat in a tank
consume excessive amounts of alcohol
store in a tank by causing (something) to flow into it