symbolipoint
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One could choose to say "specie", but many listeners might not be accustomed. "This specie is,..." at least this feels like it works.Vanadium 50 said:Physics seems to me a singular word that ends in s: mess, cutlass, albatross. Since there is only one Physics, there is no plural form.
Species seems to me a word that does not change its form when pluralized: deer, moose, sheep, aircraft.
Does an ending of word with "s" always need to be thought to be plural? I am guessing that for Physics and Mathematics, these are organized collections of related concepts so they are used in their plural. Maybe somebody knows how the linguistics works on that. (There's another one: "Linguistics", looking as if plural.)

