Play NYT Connections Puzzle #443 Sun, Jul 28

Find groups of four related words Need hints?

Solve NYT Connections puzzle #443 - Group 16 words into 4 categories: COVER, JACKET, PAGE, SPINE, CALICO, TABBY, TORTOISESHELL, TUXEDO, BUTTERFLY, JITTER, NERVE, WILLY, BEETHOVEN, CORNUCOPIA, KALEIDOSCOPE, PEACOCK.