Heterotrophic rhymes with:
catastrophic, geostrophic, catastrophic, geostrophic, catastrophic, geostrophic, philosophic, tawfiq, alphaphotographic, amyotrophic, anthropomorphic, autopacific, autotrophic, calligraphic, catastrophic, choreographic, compugraphic, delphic, demographic, dimorphic, dufek, duffek, epigraphic, ethnographic, geographic, geostrophic, graphic, hieroglyphic, holographic, honorific, horrific, hydrographic, hypertrophic, kenefick, lithographic, logographic, metamorphic, micrographic, nonspecific, oceanographic, orographic, orphic, pacific, pansophic, philosophic, photographic, polymorphic, pornographic, prolific, pseudoscientific, rafik, reprographic, scientific, specific, steffek, stenographic, stereographic, stratigraphic, summagraphic, tawfiq, terrific, tomographic, topographic, traffic, transpacific, unscientific