As nouns the difference between filtre and filtra
is that filtre is obsolete form of lang=en while filtra is irregular plural of filtrum.
As a verb filtre
is obsolete form of lang=en.
filtre
English
Verb
(en-verb)
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filtra
English
Noun
(head)
(filtrum)
----
filtrum
English
Noun
(filtra)
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