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]

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.

—Alexis de Tocqueville

Is it possible for sociopaths to feel genuine remorse for their actions or thoughts towards others, even if they are skilled at hiding it from others?

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

—Benjamin Franklin

Why? Try these on for size:

Is the Shia claim true that Imam Ali was born inside the Kaaba?

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

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.

—Thomas Jefferson

Eric Trump says World Liberty will buy 'substantial position' in Trump memecoin, nixes 'official' wallet - The Block

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.”

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

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

What does it mean if I had a dream about my mom who passed 12 years ago waking up from her coma and asking for my dad? I have never had a dreams about her since she has been gone.

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.

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.

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.

Kyle Busch, Josh Berry go sliding in practice at Nashville - NASCAR.com

—John Adams