Situational rhymes with:
aberrational, coeducational, computational, conformational, confrontational, congregational, connotational, conversational, denominational, educational, foundational, generational, gravitational, improvisational, informational, inspirational, intergenerational, investigational, invitational, motivational, navigational, occupational, operational, organizational, recreational, relational, representational, rotational, sensational, transformational, vocational
Situational sounds like:
sectional, stanley, stanly, steamily, steimel, steimle, steinle, stimmel, stimuli, stinel, stonehill, stonewall, suddenly