Insulated rhymes with:
isolated, oscillated, articulated, calculated, circulated, correlated, crenelated, flagellated, formulated, immolated, innoculated, isolated, mutilated, oscillated, percolated, populated, regulated, speculated, stimulated, undulated
Insulated sounds like:
immaculate, include, included, inequality, inglett, inglewood, ingold, innoculate, innoculated, inoculate, inoculated, insulate, insult, insulted