words of one syllable, in

In simple terms, as in I don't understand financial derivatives-can you explain them in words of one syllable? [Colloquial; 1920s]

Name	Pronounced	Usage
Nabil	-	Arabic
Elisavet	el-ee-SAH-vet	Greek
Hyacinth (1)	HIE-ə-sinth (English)	Greek Mythology (Anglicized)
Zsolt	-	Hungarian
Amelia	[ə'mi:ljə]
Vena	-	Hinduism