Metabolic rhymes with:
anabolic, parabolic, anabolic, balik, bolich, bolick, hyperbolic, parabolic, symbolic, alcoholic, anabolic, balik, bialik, bolich, bolick, bucolic, collick, diastolic, falik, folic, frolic, holick, hollick, hyperbolic, kovalik, kowalik, kralik, krolick, malec, melancholic, michalec, nikolic, nonalcoholic, parabolic, phenolic, polich, pollick, symbolic, vitriolic, workaholic
Metabolic sounds like:
meatballs, mediplex, metabolize, mothballs