Nicaragua rhymes with:
agua, managua, pariagua, agua, antigua, canandaigua, lingua, managua, pariagua, agua, aiwa, antigua, aqua, arakawa, bevacqua, bevilacqua, canandaigua, charlevoix, chataqua, chautauqua, daiwa, delacroix, diwa, fujikawa, fujisawa, fuqua, furukawa, gucwa, hanwa, hasegawa, heiwa, hosakawa, hosokawa, ichikawa, iowa, ishikawa, jaqua, kagawa, kanawa, kanazawa, karasawa, kawa, kiawah, kidwa, kitagawa, kujawa, kurokawa, kurosawa, kurzawa, lingua, maekawa, mahwah, managua, matsukawa, mierzwa, misawa, miyagawa, miyazawa, mkhatshwa, momokawa, morikawa, nakagawa, ninagawa, nishikawa, nishizawa, nogawa, ogawa, ojibwa, okinawa, oliwa, onawa, oshawa, ozawa, pariagua, pasqua, passalacqua, requa, sanwa, sarowiwa, sawa, sequa, shimokawa, shinwa, shuwa, terasawa, tonegawa, udagawa, yoshikawa, zabawa
Nicaragua sounds like:
nagorski, naysayers, nazer's, necrosis, negroes, negros, neikirk, new-jersey, new-jersey's, newkirk, newswires, niagara's, nicaragua's, nigeria's, nigger's, niggers, nigris, nongreek, nosair's, nucor's