Molder vs Moulder - What's the difference?

As nouns the difference between molder and moulder

is that molder is one who molds something into shape while moulder is a person who moulds dough into loaves.

is that molder is to decay to dust, to disintegrate from rot while moulder is to decay or rot.

(en noun)

One who molds something into shape.

A person who makes molds.

A tool for making molds.

A machine for making molding.

(en verb)

To decay to dust, to disintegrate from rot.

The old book was left to molder until only the cover was left to show it had ever been written.

* ----

(en verb)

To decay or rot.

* Mason

[Time's] gradual touch / Has mouldered into beauty many a tower.

*c.1855': John Brown's body lies a-'''mouldering in the grave, but his soul goes marching on! — Traditional, ''John Brown's Body

* 1841 , Henry Wadsworth Longfellow, "The Rainy Day", Ballads and Other Poems

The day is cold, and dark, and dreary

It rains, and the wind is never weary;

The vine still clings to the mouldering wall,

But at every gust the dead leaves fall,

And the day is dark and dreary.

(en noun)

A person who moulds dough into loaves.

Anyone who moulds or shapes things.

A machine used for moulding.