Calligraphy is decorative handwriting art. Penmanship is writing skill, Typography is font design, Stenography is shorthand writing.

Psychologist studies human mind and behavior. Psychiatrist is a medical doctor treating mental illness, Sociologist studies society, Anthropologist studies human cultures.

Toxicity refers to poison quality. Virulence is disease severity, Malignancy refers to cancerous nature, Pathogenicity is disease-causing ability.

Morgue is where autopsies are performed. Cemetery is burial ground, Mortuary is funeral home, Crypt is underground burial chamber.

Apostate abandons their faith or party. Atheist doesn't believe in God, Agnostic doubts God's existence, Heretic holds false beliefs within a religion.

Fidelity means faithfulness to spouse. Monogamy is having one spouse, Matrimony is marriage, Chastity is sexual abstinence.

Journalist writes news for media. Novelist writes long fictional works, Poet writes poems, Columnist writes regular opinion pieces.

Pharmacology is the science of drug effects. Pharmacy prepares medicines, Medicine is the practice of healing, Therapeutics is treatment science.

Ethologist is a scientist who studies animal behavior. While zoologist is broader, ethologist specifically focuses on behavioral patterns.

Bibliophile comes from 'biblio' (books) and 'phile' (lover of), meaning a book lover and collector.