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