bullion

As a numeral billion

is a milliard, a thousand million: 1 followed by nine zeros, 10⁹.

As a noun bullion is

a bulk quantity of precious metal, usually gold or silver, assessed by weight and typically cast as ingots.

As nouns the difference between taxonomy and bullion

is that taxonomy is the science or the technique used to make a classification while bullion is a bulk quantity of precious metal, usually gold or silver, assessed by weight and typically cast as ingots.

Unwroughtsilverdore is likely misspelled.

Unwroughtsilverdore has no English definition.

As a noun bullion

is a bulk quantity of precious metal, usually gold or silver, assessed by weight and typically cast as ingots.

As nouns the difference between bullion and billot

is that bullion is a bulk quantity of precious metal, usually gold or silver, assessed by weight and typically cast as ingots while billot is bullion in the bar or mass.