sieve out vs sieve

sieve out is not a noun while sieve is a noun.

Word	Noun	Adjective	Verb	Adverb
sieve out	No	No	Yes	No
sieve	Yes	No	Yes	No

sieve out (noun)	sieve (noun)
	a strainer for separating lumps from powdered material or grading particles

sieve out (verb)	sieve (verb)
separate or remove	distinguish and separate out
	separate by passing through a sieve or other straining device to separate out coarser elements
	check and sort carefully
	examine in order to test suitability