I.
noun
Filter is used before these nouns: ↑ coffee , ↑ paper
Filter is used after these nouns: ↑ charcoal , ↑ water
II.
verb
Filter is used with these nouns as the subject: ↑ moonlight , ↑ sunlight
Filter is used with these nouns as the object: ↑ email , ↑ water