Circuitry rhymes with:
basketry, rocketry, altimetry, asymmetry, banditry, basketry, bigotry, cabinetry, dissymmetry, gadgetry, geometry, helotry, idolatry, optometry, poetry, psychiatry, punditry, puppetry, rocketry, spectrometry, symmetry, telemetry, toiletry, zealotry
Circuitry sounds like:
caricature, character, corregidor, crestar, crochetiere, crusader, cryster