Nicotine and Pressor

Nicotine noun - An alkaloid poison that occurs in tobacco; used in medicine and as an insecticide.

Pressor and nicotine are semantically related. In some cases you can use "Pressor" instead a noun "Nicotine".

Pressor noun - Any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure.

Nicotine and pressor are semantically related. Sometimes you can replace term "Nicotine" with "Pressor", this nouns are similar.