Connections Hint Today Wed, Oct 9 #515

Need help with Connections puzzle #515 on Wed, Oct 9? Get your daily connections hint today! Find the hidden links between these 16 words: BUBBLES, FIZZ, FOAM, FROTH, BLOSSOM, DEVELOP, MATURE, PROGRESS, BILLBOARD, MOJO, PITCHFORK, SPIN, BOILERPLATE, BUTTERCUP, JACKKNIFE, WITHERSPOON