Histrionics rhymes with:
avionics, nucleonics, audiotronics, avionics, centronics, conics, diasonics, electronics, electronics', endotronics, endotronics', fibronics, flextronics, harmonics, ionics, lasersonics, lumonics, microelectronics, mnemonics, nucleonics, onyx, personics, philharmonic's, phonics, photronics, plantronics, respironics, sconnix, siliconix, sonics, tectonics, tektronix, telectronics, telephonics, tonics, vitronics
Histrionics sounds like:
hectoring, historians, histrionic