1) Catholicism 2) Catholicity 3) Flemish painter 4) Roman catholicism 
Romanism is a word that was used as a derogatory term for Roman Catholicism in the past when anti-Catholicism was more common in the United States and the United Kingdom. The term was frequently used in late-nineteenth and early-twentieth century Republican invectives against the Democrats, as part of the slogan `Rum, Romanism, and Rebellion` (r.....[painting] Romanism was the style of painting of a group of artists in the late 15th and early 16th century from the Netherlands who began to visit Italy and started to incorporate Renaissance influences in their work. The greatest artist in the style was Jan Mabuse (also known as Jan Gossaert). The influence of Michelangelo and Raphael sho...
• (n.) The tenets of the Church of Rome; the Roman Catholic religion.
Ro'man·ism noun The tenets of the Church of Rome; the Roman Catholic religion. 
[n] - the beliefs and practices of the Catholic Church based in Rome
Romanism A reference to the beliefs and practices of the Catholic Church based in Rome.
Roman Catholicism noun the beliefs and practices of the Catholic Church based in Rome
(Lat. Roma, Rome, the seat of Papal authority) The doctrines and practices of the Roman Catholic Church; tendencies in members of other churches to favor Catholicism. -- V.J.B.