Here's what rhymes with geomorphic.

Consider these alternatives

geomorphological / logical taphonomic / economic physiographic / traffic triangulations / relations geologic / logic hydrologic / logic erosional / emotional neurophysiological / logical geomorphology / quality pathologic / logic phenotypes / types abiotic / logic ontogenetic / magnetic hydrological / logical diachronic / chronic conflation / relation synchronic / chronic physiologic / logic topographical / classical phonological / logical biogeographical / classical oscillatory / story nonspecific / specific pleiotropic / logic