As adjectives the difference between pc and lang

is that pc is initialism of partially continuous|lang=en while lang is long.

As nouns the difference between pc and lang

is that pc is initialism of lang=en while lang is form of Abbreviation|language|lang=en.

As proper nouns the difference between pc and lang

is that pc is initialism of Proto-Celtic|lang=en while Lang is {{surname|from=nicknames}} A variant of Long.

As a verb PC

is to make politically correct.

As an abbreviation pc

is personal Computer.