Mammoth Uncensored Word List:
43 words ending with pe, 11 letters long

amblyoscope arthroscope benthoscope chromoscope chronoscope colonoscope countertype deuteranope dichroscope electrotype enteroscope epidiascope erygmascope fluoroscope gastroscope glottiscope gonadotrope guttersnipe keratoscope kinetoscope laparoscope lycanthrope lychnoscope misanthrope nephroscope opeidoscope platinotype pluvioscope polariscope proctoscope pseudoscope relandscape retinoscope seismoscope sniperscope stauroscope stereoscope stethoscope streetscape stroboscope thaumatrope thermoscope vectorscope