Connections Hint Today Sat, Aug 9 #830

Need help with Connections puzzle #830 on Sat, Aug 9? Get your daily connections hint today! Find the hidden links between these 16 words: FRUIT, PRODUCT, RETURN, YIELD, DAD, INSIDE, KNOCK-KNOCK, PRACTICAL, CASPER, GHOST, LET ME IN, TWILIGHT, MAZE, MUFFIN, SILK, SYRUP