Maltase rhymes with:
diastase, lactase, aerospace, airbase, airspace, ambase, anyplace, birthplace, boldface, bookcase, bouillabaise, briefcase, broadbase, bucase, cityplace, commonplace, cyberspace, database, dbase, diabase, diastase, dnase, electrospace, everyplace, fireplace, footrace, innerspace, interface, lactase, lovelace, marketplace, orthoclase, outpace, parcplace, plagioclase, polymerase, reiterates, scarface, shoelace, showcase, showplace, someplace, staircase, steelcase, steeplechase, streptokinase, suitcase, sybase, typeface, wheelbase, workplace
Maltase sounds like:
maladich, maladies, maldutis, maltais, maltese, maltose, malts, maltz, maultasch, melodic, melodies, melodious, melts, meltz, miladic, mildews, miletich, militia's, militias, milledge, millets, milodic, mladic, mladic's, mlotok, molds, moltz, monolithic, monoliths, moulds, multidex, multitask, multitudes