Hansen's rhymes with:
hanson's, hanson's, janssens, manson's, aaronson's, ahmanson's, ahmansons, atkinson's, benson's, goldenson's, hanson's, janssens, johnsen's, johnson's, johnsons, levinson's, manson's, parkinson's, robinson's, robinsons, robinsons', swensen's, wilkinson's, wisconsin's
Hansen's sounds like:
hanging, hangings, hangsang, hangsang's, hankins, hanson's, heung-yeung, homecoming, homemaking, homesickness, homogeneous, homogenize, homogenous, hong-kong, hongkong, honking, humanizing, hunkins