onslaught vs war machine

onslaught and war machine both are nouns.

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

onslaught (noun)	war machine (noun)
(military) an offensive against an enemy (using weapons)	the military forces of a nation
the rapid and continuous delivery of linguistic communication (spoken or written)
a sudden and severe onset of trouble