Connections Hint Today Fri, Sep 27 #496

Need help with Connections puzzle #496 on Fri, Sep 27? Get your daily connections hint today! Find the hidden links between these 16 words: BANK, DUNE, HILL, MOUND, GRAVITY, IMPORT, SUBSTANCE, WEIGHT, BENCH, DRAFT, START, TRADE, ABYSS, FLY, MATRIX, THING