Is there any philosophical work about profanity, f-words, dirty words?
Bad Words: Philosophical Perspectives on Slurs, essays ed. by David Sosa.
There's a chapter in Questions About Language: Do people swear because they don’t know enough words? From which, this summary Why do people swear?, gives a nice introduction to ideas about purposes of Swearing.
There's an IAI interview: Rebecca Roache On Swearing and Philosophy, & she did a Philosophy Bites podcast episode What, if anything, is wrong with swearing?, and a Practical Ethics: On Swearing lecture at Oxford.