pig

Adjective: less refined (as in metals), or somehow spurious.

I note , however, that in scatology, bullshit and horse-shit are used as pejoritives, as if those commodities are of lesser value, but pig-shit expresses value if not desirability....

Pig-iron (basic iron ingot, first product of ore smelting)
Pig-Latin (a false language, easily decifered) as opposed to dog-latin which is nonsense sounds invented to resemble Latin

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