The verb 漉く (こく) is often used in contexts related to cooking or processing liquids, such as filtering coffee or straining soup.
コーヒーを漉こきます。
Koohii o kokimasu.
I will filter the coffee.
スープを漉こきます。
Suupu o kokimasu.
I will strain the soup.
濾過する (roka suru)
to filter
こす (kosu)
to strain
