Nucor's rhymes with:
becor's, bellcore's, centocor's, encor's, encores, backdoors, baltimore's, bangalore's, becor's, bellcore's, bookstores, carnivores, centaur's, centaurs, centocor's, commodore's, dinosaurs, downpours, drugstores, ecuador's, encor's, encores, indoors, megastores, mentor's, phosphors, salvador's, sophomores, superstores, toystores, unprofor's
Nucor's sounds like:
nagorski, naysayers, nazer's, necrosis, negroes, negros, neikirk, new-jersey, new-jersey's, newkirk, newswires, niagara's, nicaragua, nicaragua's, nigeria's, nigger's, niggers, nigris, nongreek, nosair's