Lassen rhymes with:
clason, classen, classon, glasson, klassen, mcglasson, assassin, bason, cason, casson, chason, clason, classen, classon, fason, fasten, gassen, glasson, hassen, hasson, kassan, kassen, kasson, klassen, masson, mcglasson, nason, passon, sasson, stassen
Lassen sounds like:
lacana, lachman, lachney, lacina, lackawanna, lackman, lagan, lagana, lagoon, laguna, lajeune, lakeman, lakin, lakshamanan, lasagna, laskin, lasmo, lasseigne, lassman, lasumma, laughman, lausanne, lauzon, lawson, laxson, layson, lazcano, leachman, leason, lechman, leeson, legan, legion, legume, leikam, leiken, leishman, lejeune, lekachman, lesane, lesesne, lesion, lessen, lessin, lessman, lessnau, lesson, leukemia, lexicon, lexine, leysen, liaison, liason, liasson, lichen, licon, liesin, lieson, ligman, lignin, ligon, liken, likhyani, liqun, liscom, lishman, lisman, lockamy, locken, lockman, lockney, locsin, logan, logician, logicon, logjam, loiacano, loiacono, loken, lokken, lookin', loosen, loughman, loughney, louisan, louisiana, louisianian, lozano, lozon, luchini, lucian, luciani, lucianna, lucianne, luciano, lucien, lucienne, lucken, luckman, luckyn, lueken, lugano, lujan, luken, lukin, lukman, lusignan, luskin, luzon, lycan, lykin, lysine, lysne