Why is the word "democracy" not in the preamble of the US Constitution?

[with republicanism being the rights-protecting form of governance afforded us by our Constitution]

When the people find they can vote themselves money, that will herald the end of the republic.

—Alexis de Tocqueville

Why prostate cancer screenings matter — what Utah men should know - KSL News

Meanwhile, when the Democratic Party formed in 1828, it was with a Tory outlook keen on robbing others of their rights:

—John Adams

To Indians: “Pack up what belongings you can carry and start walking to Oklahoma. Your fertile lands are ours now. We voted fair and square and your side lost.”

What explanations do flat earthers have for the shape of our planet? If they do not have any, why should their opinions on this topic be considered credible?

Another tendency, which is extremely natural to democratic nations and extremely dangerous, is that which leads them to despise and undervalue the rights of private persons.

I do not say that democracy has been more pernicious on the whole, and in the long run, than monarchy or aristocracy. Democracy has never been and never can be so durable as aristocracy or monarchy; but while it lasts, it is more bloody than either.

—Benjamin Franklin

Warming climate may flip the script on the amount of CO₂ released by trees, study finds - Phys.org

—Thomas Jefferson

To blacks: “You can’t drink from that water fountain… eat in this cafeteria… ride this bus… go to this school. We voted fair and square and your side lost.

Why? Try these on for size:

UPDATE: Additional measles exposure locations in Marquette, Delta counties - Upper Michigan's Source

The republican is the only form of government which is not eternally at open or secret war with the rights of mankind.

Majority-rules democracy is the way that majorities run roughshod over minorities, destroying rights and all ideas of equality under the law. No fair-minded person wants anything to do with democracy.

To slaves: “You can forget your notions of freedom. We voted fair and square and your side lost.”

Should you track your blood sugar with a continuous glucose monitor? - NPR

In other words, our Founding Fathers and other Whig intellects of that time well understood that democratic methods are the surefire means to do serious damage to the rights guaranteed under republican self-government.