slew vs batch

slew and batch both are nouns.

Word	Noun	Adjective	Verb	Adverb
slew	Yes	No	Yes	No
batch	Yes	No	Yes	No

As nouns, slew and batch are synonyms defined as:

slew and batch: (often followed by `of') a large number or amount or extent

slew (noun)	batch (noun)
(often followed by `of') a large number or amount or extent	a collection of things or persons to be handled together
	all the loaves of bread baked at the same time
	(often followed by `of') a large number or amount or extent

slew (verb)	batch (verb)
turn sharply; change direction abruptly	batch together; assemble or process as a batch
move obliquely or sideways, usually in an uncontrolled manner