As nouns the difference between filter and filtre
is that
filter is a device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another while
filtre is obsolete form of lang=en.
As verbs the difference between filter and filtre
is that
filter is to sort, sift, or isolate while
filtre is obsolete form of lang=en.