Nigeria rhymes with:
algeria, algeria, assyria, bacteria, cafeteria, cerveceria, criteria, diphtheria, elyria, gaviria, iberia, liberia, listeria, siberia, syria
Nigeria sounds like:
naeger, nager, najar, najera, najjar, nakahara, nancarrow, nascar, naser, nasr, nassar, nasser, naysayer, nazar, nazario, nazer, nazzaro, necessary, necker, neckwear, negara, negri, negro, neiger, nenninger, nesser, neuhauser, neuser, newcor, newshour, newswire, ngor, niagara, nicer, nicor, niger, nigger, nigro, nihiser, nizar, nocera, noecker, nogueira, noguera, noisier, noncore, nonnemacher, nosair, nucor, nunamaker, nunemaker, nungesser, nusser, nycor