[nonsporting]

"Caucacity” ...Is that some weird conflation of “Caucasian” and “audacity?”

Portmanteau

"A portmanteau is a linguistic blend of words, in which parts of multiple words or their phonemes are combined into a new word"

[BradyLS]

Thanks! I figured there was a better word to describe their union but couldn’t think of it. ‘Portmanteaux’ is a great word to remember.