Words That Rhyme With "Rational" :
3 syllables:
acronal, agonal, cantonal, cashable, factional, national, notional, passional, patronal
4 syllables:
additional, binational, concessional, conditional, confessional, decagonal, devotional, diaconal, diagonal, emotional, foundational, heptagonal, hexagonal, irrational, obsessional, octagonal, pentagonal, precessional, processional, professional, promotional, recessional, relational, rotational, sensational, suspicional, traditional, transitional, transnational, unnational, vocational
5 syllables:
aberrational, compositional, computational, conformational, confrontational, congregational, connotational, constitutional, conversational, depositional, dodecagonal, educational, generational, gravitational, ideational, informational, inspirational, institutional, international, intranational, intuitional, invitational, involutional, irrotational, motivational, multinational, navigational, nonprofessional, nontraditional, occupational, operational, presentational, prevocational, progestational, recreational, situational, subdiaconal, supernational, superrational, supranational, suprarational, transformational, unconditional, unemotional, unprofessional, unsensational, untraditional
6 syllables:
archidiaconal, coeducational, denominational, extraprofessional, improvisational, interconfessional, investigational, organizational, paraprofessional, representational, semiprofessional, stratificational, unconstitutional
7 syllables:
intergenerational, nonrepresentational