Mammoth Uncensored Word List:
77 words ending with my, 10 letters long

adenectomy arthrotomy bullectomy bursectomy cardiotomy chasmogamy cheilotomy chirognomy chordotomy clistogamy coeliotomy cordectomy corpectomy craniotomy cryptogamy cystectomy cystostomy discectomy diseconomy ectothermy embryotomy endothermy enterotomy episiotomy fasciotomy frenectomy fundectomy gastronomy gastrotomy herniotomy heterogamy heteronomy homochromy homoplasmy homothermy hymenotomy iridectomy keratotomy laminotomy laparotomy lumpectomy mammectomy mastectomy monochromy myomectomy nephrotomy neurectomy orthodromy ovariotomy paraostomy pathognomy pendectomy phlebotomy plasmogamy plastogamy pleurotomy pneumotomy pogonotomy polychromy polyspermy pulpectomy rachiotomy rhinectomy sclerotomy septectomy sinusotomy stereotomy strabotomy subeconomy thymectomy trichotomy uretectomy uterectomy uvulectomy varicotomy vitrectomy vulvectomy