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

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.

—John Adams

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

When do you feel most peaceful ever?

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.

—Benjamin Franklin

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

Is there anything you did that you regret? If so, what is it, and why?

—Alexis de Tocqueville

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.

Why? Try these on for size:

What are the most meaningful Jewish jokes that reveal insights about Jewish culture?

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.

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

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

Beautiful European women were killed by inquisition but Russia was not Catholic. Is this the reason for a drastic difference explaining why Russian women are the prettiest?

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.

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

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.”

Why does it seem that Quora's "moderators" base their moderations on personal beliefs and views by deleting answers that are only violating their personal feelings?

—Thomas Jefferson