Here's what rhymes with semielliptical.
elliptical Words that almost rhyme with semielliptical
critical mystical lyrical rhythmical physical cynical atypical logistical whimsical tricycle finical egoistical arrhythmical empirical analytical hypocritical inimical uncritical apolitical egotistical encyclical rabbinical parasitical sophistical untypical noncritical unpolitical statistical cylindrical umbilical geopolitical stereotypical preclinical supercritical nonphysical nonpolitical archetypical hypercritical overcritical metaphysical indivisible sociopolitical prototypical subliminal impermissible noncriminal psychoanalytical