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

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

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.

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.”

Precision Spectroscopy Reaffirms Gap Between Theory and Experiment - American Physical Society

—Thomas Jefferson

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

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.

Is it overstating to say that AI is on a par with the invention of fire, electricity, flight, or the Internet in its ability to transform our lives?

—Alexis de Tocqueville

—Benjamin Franklin

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

This ‘smoke’ ring was formed by one of the biggest creatures on Earth. Scientists say it has never been documented before - BBC Wildlife Magazine

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:

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've had tinnitus in my right ear for 2 years. I sleep with one earbuds in my left ear, but at the lowest possible sound volume, white noise. Is it considered safe to do so?

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.

—John Adams

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

Why aren't U.S. prisons more like Marine Corps boot camp, were every second of the day there are mandatory activities so that at night everyone is so tired they go to sleep until wakeup at 5:30 am? Would this make prisons safer for all?

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