Words That Rhyme With "Arsenical" :

3 syllables:

binnacle, chemical, chronicle, clinical, conical, denticle, ethical, ethnical, finical, funicle, genital, helical, lenticle, lexical, manacle, medical, metrical, monachal, monocle, panicle, pedicle, pellicle, penuchle, pinnacle, pinochle, reticle, sceptical, skeptical, technical, testicle, tunicle, ventricle, vesical, vesicle

4 syllables:

adminicle, alchemical, appendicle, authentical, biconical, botanical, canonical, congenital, conventicle, dominical, esthetical, galenical, heretical, identical, indexical, ironical, laconical, mechanical, nontechnical, obstetrical, polemical, preclinical, premedical, rabbinical, subclinical, subconical, subgenital, symmetrical, tyrannical, unethical

5 syllables:

academical, agrochemical, alphabetical, antithetical, asymmetrical, biochemical, biomedical, catechetical, chloramphenicol, dialectical, diametrical, ecumenical, evangelical, extrametrical, geochemical, geomedical, geometrical, histochemical, hypothetical, metathetical, microchemical, micrometrical, monometrical, paramedical, parenthetical, petrochemical, photochemical, postcanonical, puritanical, pyrochemical, stratagemical, uncanonical, urogenital, zoochemical

6 syllables:

electrochemical, extracanonical, iatrochemical, photomechanical, physicochemical, radiochemical, servomechanical, unevangelical

7 syllables:

biogeochemical, electromechanical, radiosymmetrical, ultramicrochemical