Seasonal rhymes with:
abdominal, aberrational, aboriginal, additional, arsenal, attitudinal, barbanel, binational, biphenyl, cantonal, cardinal, coeducational, collisional, compositional, computational, concessional, conditional, confessional, conformational, confrontational, congregational, congressional, connotational, constitutional, conventional, conversational, correctional, criminal, delusional, denominational, depositional, devotional, diagonal, dimensional, directional, divisional, doctrinal, dysfunctional, educational, emotional, erosional, exceptional, factional, fictional, fluxional, foundational, fractional, functional, gastrointestinal, generational, gravitational, hexagonal, impersonal, improvisational, informational, inspirational, institutional, instructional, intentional, intergenerational, internacional, international, internatonal, interpersonal, intestinal, investigational, invitational, irrational, jurisdictional, juvenile, latitudinal, learonal, lionel, longitudinal, luminal, marginal, medicinal, motivational, multinational, nacional, national, navigational, nominal, nonprofessional, nontraditional, nutritional, obsessional, occasional, occupational, octagonal, operational, optional, organizational, original, orthogonal, phenomenal, polygonal, processional, professional, promotional, proportional, provisional, rational, recreational, regional, relational, representational, retinal, rotational, sectional, seminal, sensational, sentinel, situational, superregional, supranational, terminal, traditional, transformational, transitional, transnational, travenol, unconditional, unconstitutional, unconventional, unemotional, unintentional, unprofessional, untraditional, virginal, vocational
Seasonal sounds like:
saemaul, samella, samelle, samuel, samuela, samuelle, sawmill, scammell, scannell, schamel, schemel, schemmel, schenley, schimmel, schmahl, schmal, schmale, schmall, schmehl, schmoll, schmuhl, schnall, schnell, schnelle, seasonally, seemala, semel, semele, semiannual, semiannually, seminal, seminole, semmel, senile, shamalia, shamel, shamelle, shanley, shemwell, shimel, shimmel, shinall, siemel, signal, simonelli, smail, smale, small, smalley, smeal, smell, smelley, smelly, smile, smiley, smilie, smillie, smilow, smola, smoley, smull, smylie, smyly, snail, snell, somali, somalia, suchomel, sunil, synalloy