Patroness rhymes with:
asynchronous, membranous, uranus, androgynous, asynchronous, bituminous, brazenness, chitinous, deaconess, exogenous, gelatinous, givenness, gluttonous, homogenous, indigenous, larcenous, luminous, membranous, monotonous, mountainous, mutinous, nitrogenous, nonpoisonous, oleaginous, ominous, outspokenness, poisonous, polygynous, ravenous, ruinous, tetanus, titinus, uranus, villainous, voluminous
Patroness sounds like:
patronage, patronize, patronizes, patrons, patronymic, patterns, petering, petronas, photronic, photronics, powdering, puttering