Lagoons rhymes with:
goons, rangoon's, afternoon's, afternoons, baboon's, baboons, balloons, boons, cartoons, cocoons, coones, coons, croons, dunes, funes, goons, harpoons, impugns, june's, junes, koon's, koons, kuhns, kunes, lampoon's, loons, monsoons, moon's, moons, noons, nunes, platoons, pontoons, prunes, raccoons, rangoon's, runes, saloons, spoons, tunes, tycoon's, tycoons, typhoons, verboons
Lagoons sounds like:
lachance, lacking, laconic, lagging, lagunas, lajeunesse, lakins, lakshamanan's, lashing, lashings, laughing, laughinghouse, lawlessness, lawson's, laziness, leaching, leachman's, leaking, leasing, leasing's, leeson's, legging, leggings, legions, legumes, leising, lesinski, lesions, lesniak, lesnick, lesniewski, lessening, lessens, lessing, lessness, lessons, leszczynski, lexicons, leysen's, li-kang, liaisons, licence, licences, license, licensee, licensees, licenses, lichens, licking, liggins, likeness, likenesses, likening, likens, liking, likins, locking, lockneys, logging, loggins, logjams, looking, loosening, loosens, loosing, losing, losinski, lossing, louganis, louganos, louisiana's, louisianians, lousiness, lozano's, lozenge, lozenges, lozinski, lucking, lugging, lukens, lukins, lusinchi, lycoming, lykens, lykins