sub-test vs battery

sub-test and battery both are nouns.

Word	Noun	Adjective	Verb	Adverb
sub-test	Yes	No	No	No
battery	Yes	No	No	No

sub-test (noun)	battery (noun)
one of a battery of related tests	an assault in which the assailant makes physical contact
	the heavy fire of artillery to saturate an area rather than hit a specific target
	a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
	a series of stamps operated in one mortar for crushing ores
	a collection of related things intended for use together
	group of guns or missile launchers operated together at one place
	a unit composed of the pitcher and catcher