Photronics rhymes with:
audiotronics, centronics, electronics, electronics', endotronics, endotronics', flextronics, microelectronics, plantronics, tektronix, telectronics, vitronics
Photronics sounds like:
patronage, patroness, patronize, patronizes, patrons, patronymic, patterns, petering, petronas, photronic, powdering, puttering