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

—John Adams

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.

Why? Try these on for size:

Why do atheists love to preach against Abrahamic religions and mock God? Even if they do not fear the eternal fire of hell, pious Muslims will certainly not leave them alone and will take brutal revenge until they surrender and repent of their sins.

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

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.

—Benjamin Franklin

Why do so many men wait until they are retired or close to it to start having sex with Men? Most of them say they have always wanted to suck dick or be fucked. Why did you wait?

—Thomas Jefferson

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.

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.

What is the impact of being stereotyped as poor on an individual's life? How does it make them feel?

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

—Alexis de Tocqueville

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

Bond Yields Keeping Climbing. Governments Can Bring Them Down. - Barron's

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

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

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.

Don't Make This Mistake When Setting Up Your Switch 2 - Kotaku

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.”