Kredonym

Something related to something else by both things not being related to each other

Person 1: Did you know that A Grommet is a Kredonym to Octothorpe?

Person 2: what Kredonym isnt a word

Person 3: bruh
Person 4: What does Kredonym mean

Person 1: hey this isnt supposed to go on for so long

Person 7: whats a Grommet