In zoology|lang=en terms the difference between macarid and masarid
is that macarid is (zoology) any member of the macaridae while masarid is (zoology) any member of the masaridae.
As nouns the difference between macarid and masarid
is that macarid is (zoology) any member of the macaridae while masarid is (zoology) any member of the masaridae.