If used as an adverb, besides means moreover. A good research paper will cite more than one authority on a subject. The house was sited over an underground river. Corroborate means to support with authority, to strengthen. Complaisance means affability.
Compliance means conformity or a disposition to give in to others.
Compliment suggests praise. She took a comprehensive exam in economics. She found the exam questions comprehendable . Compose means make up or fashion, as a painting is composed of lines, colors, and texture. Hellman was contemptuous of McCarthy.