pard

noun2

1. •
   (informal) Partner; fellow; Used as a friendly appellation

   • 'He's my pard, and you shall not bully him,' he cried. — 1898
2. •
   (literary, no longer used) A leopard; a panther.

   • Then a soldier, Full of strange oaths, and bearded like the pard, Jealous in honour, sudden and quick in quarrel … — 1598

noun1

1. •
   Acronym of periodic and random deviations, a form of electrical noise.

   • This article describes a power supply conditioning circuit that can reduce Periodic And Random Deviations (PARD) on the output voltages of DC power supplies... — 1987