Words That Rhyme With "Photochemical" :

3 syllables:

chemical

4 syllables:

alchemical, polemical

5 syllables:

academical, agrochemical, biochemical, geochemical, histochemical, microchemical, petrochemical, pyrochemical, stratagemical, zoochemical

6 syllables:

electrochemical, iatrochemical, physicochemical, radiochemical

7 syllables:

biogeochemical, ultramicrochemical