retreat vs war machine

retreat and war machine both are nouns.

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

retreat (noun)	war machine (noun)
(military) withdrawal of troops to a more favorable position to escape the enemy's superior forces or after a defeat	the military forces of a nation
withdrawal for prayer and study and meditation
the act of withdrawing or going backward (especially to escape something hazardous or unpleasant)
an area where you can be alone
(military) a bugle call signaling the lowering of the flag at sunset
(military) a signal to begin a withdrawal from a dangerous position
a place of privacy; a place affording peace and quiet

retreat (verb)	war machine (verb)
make a retreat from an earlier commitment or activity
pull back or move away or backward
move back
move away, as for privacy