Here's what rhymes with geniculate.

Consider these alternatives

mammillary / very olivary / chiefly hypothalamus / hypothalumus dendrites / rights ipsilateral / natural entorhinal / renal neurosecretory / story subthalamic / dynamic piriform / form ventromedial / medial lateral / natural thalamic / dynamic arcuate / late periventricular / ventricular somites / rights abducens / sense cuneate / late extrastriate / late