2 syllables:
chronixx, conex, conics, john hicks, john ix, onyx, phonics, sconnix, sonics, tonics, whonix

3 syllables:
aardonyx, aonyx, arctonyx, bionics, bionix, centronics, chemonics, claytronics, euronics, fibronics, flextronics, gnomonics, harmonics, harmonix, hedonics, hydronics, ictonyx, ionics, jasponyx, lumonics, mantronix, mnemonics, molonicks, optronics, orthonyx, ovonics, personics, pheonix, photonics, photronics, plantronics, plasmonics, protonix, psionics, sardonyx, spintronics, subtonics, subtronics, tectonics, tektronix, trionyx, twistronics, vetronics, vitronics, zachtronics

4 syllables:
acinonyx, aeroponics, aquaponics, asciibonics, astrionics, avionics, baryonyx, cataphonics, coleonyx, diaphonics, diasonics, dicrostonyx, dolichonyx, electronics, electronics', endotronics, endotronics', environics, eudaemonics, eudemonics, frippertronics, geoponics, histrionics, hydroponics, infrasonics, lasersonics, lg electronics, macaronics, mechatronics, megalonyx, microphonics, moletronics, nucleonics, pentatonix, philharmonic's, philharmonics, plate tectonics, plunderphonics, psychotronics, quadraphonics, radionics, respironics, scipionyx, siliconix, simutronics, socionics, supersonics, telectronics, telephonics, thermionics, ultrasonics

5 syllables:
ambiophonics, animatronics, architectonics, audiotronics, biophotonics, cinematronics, mexican onyx, nanophotonics, neotectonics, stereophonics, teledildonics

6 syllables:
bbk electronics, bioelectronics, cryoelectronics, electro-harmonix, microelectronics, nanoelectronics, optoelectronics, ornimegalonyx

7 syllables:
cytoarchitectonics, stmicroelectronics

8 syllables:
audio-animatronics