thymol: a colorless crystalline solid used in perfume or preserving biological specimens or in embalming or medically as a fungicide or antiseptic
phenol: any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
spurious correlation: a correlation between two variables (e.g., between the number of electric motors in the home and grades at school) that does not result from any direct relation between them (buying electric motors will not raise grades) but from their relation to other variables