sillon

As nouns the difference between billon and sillon

is that billon is any of several alloys of precious metals and base metals that is used (where legal) to make coins, medals etc while sillon is (military|historical) a work raised in the middle of a wide ditch, to defend it.

As nouns the difference between sillon and sillion

is that sillon is (military|historical) a work raised in the middle of a wide ditch, to defend it while sillion is (rare) the thick, voluminous, and shiny soil turned over by a plow.

As nouns the difference between sialon and sillon

is that sialon is any of a class of strong refractory ceramics, based on the elements silicon, aluminium, oxygen and nitrogen, that are highly resistant to heat and corrosion while sillon is (military|historical) a work raised in the middle of a wide ditch, to defend it.

As a verb defend

is (obsolete) to ward off, repel (an attack or attacker).

As a noun sillon is

(military|historical) a work raised in the middle of a wide ditch, to defend it.

As nouns the difference between ditch and sillon

is that ditch is or ditch can be a trench; a long, shallow indentation, as for irrigation or drainage while sillon is (military|historical) a work raised in the middle of a wide ditch, to defend it.

As a verb ditch

is or ditch can be to discard or abandon.

As nouns the difference between work and sillon

is that work is employment while sillon is (military|historical) a work raised in the middle of a wide ditch, to defend it.

As a verb work

is to do a specific task by employing physical or mental powers.