Here's what rhymes with endometrium.

Consider these alternatives

implantation / operation proliferative / judges menstruation / relation neurodegeneration / information progesterone / known epithelium / helium endothelium / epithelium womb / whom intestine / question ileum / asylum fallopian / utopian secretion / completion choroid / avoid ovarian / agrarian endometriosis / tuberculosis secretory / story embolization / relation embryo / no myocardium / guardian postnatal / fatal