No es Danish es Danes.Me temo que está usted equivocado. Spaniard es un gentilicio y siempre lo ha sido, como French, Danish, Russian, etc.
No es French es Frenchmen.
Los confundís con los adjetivos.
Son gentilicios aka demonyms.
Wikiwand - List of adjectival and demonymic forms for countries and nations
The ***owing is a list of adjectival and demonymic forms of countries and nations in English and their demonymic equivalents. A country adjective describes something as being from that country, for example, "Italian cuisine" is "cuisine of Italy". A country demonym denotes the people or the...
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