I do, but then I cook medieval foods. And while yes you can sub raisins for ‘raisins of courance’ or zante currents, there is a taste difference. Not all dried berries taste alike 
But then again, I also use long peppers, cubebs and szechuan peppers, none of which are either peppercorns or chilis and are not actually swappable either. [though all are called peppers of various sorts]
I think scrod sounds like some disgusting venereal disease (as opposed to the undisgusting venereal diseases?)
StG
Even this is not quite right. We actually eat the gonads that produce the roe, and not the roe itself.