At the very least, the (contemporary) federalists would be confused.
“We are all Republicans, we are all federalists” said Thomas Jefferson in his first inaugural.
Again, federalists caused the problem by preventing a plane carrying polling material from taking off.
In the early years of the republic, the power of the Supreme Court fueled disputes between federalists and Republicans.
Popular fear of the power of a regular army was then widespread, but after the electoral defeat of the federalists, it faded.
For an excellent statement of the conduct of the federalists at this time see Morison: Otis, ii, 53-66.
The emotions of the militant federalists were too various to admit of description.
In the treaty with Algiers occurred a passage that gave great offence to his friends at home, and to federalists in general.
In the preceding Congress there had been thirty federalists and eleven Republicans.
Jefferson calls the federalists "an Anglican, monarchical & aristocratical party."