filter out vs separate out

filter out and separate out both are verbs.

Word	Noun	Adjective	Verb	Adverb
filter out	No	No	Yes	No
separate out	No	No	Yes	No

As verbs, filter out and separate out are synonyms defined as:

Other synonyms of filter out include filter, filtrate, strain.

filter out (verb)	separate out (verb)
remove by passing through a filter	remove by passing through a filter