| FER | large extremely venomous pit viper of Central and South America |
|---|---|
| FER | wild and menacing |
| FER | a person who is not socialized |
| FER | United States novelist |
| FER | joint monarchs of Spain |
| FER | French diplomat who supervised the construction of the Suez Canal (1805-1894) |
| FER | Swiss linguist and expert in historical linguistics whose lectures laid the foundations for synchronic linguistics (1857-1913) |
| FER | King of Castile and Leon who achieved control of the Moorish kings of Saragossa and Seville and Toledo (1016-1065) |
| FER | Holy Roman Emperor and king of Hungary and Bohemia (1503-1564) |
| FER | Holy Roman Emperor and king of Bohemia and Hungary who waged war against Protestant forces (1578-1637) |
| FER | Holy Roman Emperor and king of Hungary and Bohemia who signed the Peace of Westphalia ending the Thirty Years' War (1608-1657) |
| FER | United States jazz musician who moved from ragtime to New Orleans jazz (1885-1941) |