Homophones for porphyrin, porphyrine

porphyrin / porphyrine ['pɔrfɪrɪn] 

porphyrin - n. chem. – any of several deep-red or purple fluorescent crystalline  pigments that are substituted derivatives of porphrin which occur naturally in plant and animal tissues

porphyrine – n. geol. – a reddish rock consisting largely of feldspar