is a specific kind of: spiritual leader | Catholic.

is a broader term that covers: antipope.

instances of which are: Alexander VI, Borgia, Pope Alexander VI, Rodrigo Borgia | Benedict XIV, Prospero Lambertini | Benedict XV, Giacomo della Chiesa | Benedetto Caetani, Boniface VIII | Calixtus II, Guy of Burgundy | Alfonso Borgia, Borgia, Calixtus III | Clement VII, Giulio de' Medici | Clement XI, Giovanni Francesco Albani | Clement XIV, Lorenzo Ganganelli | Gregory, Gregory I, Gregory the Great, Saint Gregory I, St. Gregory I | Gregory, Gregory VII, Hildebrand | Angelo Correr, Gregory, Gregory XII | Gregory, Gregory XIII, Ugo Buoncompagni | Bartolomeo Alberto Capillari, Gregory, Gregory XVI | Innocent III, Lotario di Segni | Giovanni Battista Cibo, Innocent VIII | Benedetto Odescalchi, Innocent XI | Antonio Pignatelli, Innocent XII | Angelo Guiseppe Roncalli, John XXIII | Albino Luciano, John Paul I | John Paul II, Karol Wojtyla | Leo I, Leo the Great, St. Leo I | Leo III | Bruno, Bruno of Toul, Leo IX | Giovanni de'Medici, Leo X | Gioacchino Pecci, Giovanni Vincenzo Pecci, Leo XIII | Martin V, Oddone Colonna | Nicholas V, Tomasso Parentucelli | Alessandro Farnese, Paul III | Giovanni Battista Montini, Paul VI | Aeneas Silvius, Enea Silvio Piccolomini, Pius II | Antonio Ghislieri, Pius V | Giannangelo Braschi, Giovanni Angelo Braschi, Pius VI | Barnaba Chiaramonti, Luigi Barnaba Gregorio Chiaramonti, Pius VII | Giovanni Maria Mastai-Ferretti, Giovanni Mastai-Ferretti, Pius IX | Giuseppe Melchiorre Sarto, Giuseppe Sarto, Pius X | Achille Ratti, Ambrogio Damiano Achille Ratti, Pius XI | Eugenio Pacelli, Pius XII | Francesco della Rovere, Sixtus IV | Gerbert, Sylvester II | Odo, Odo of Lagery, Otho, Otho of Lagery, Urban II | Guillaume de Grimoard, Urban V | Bartolomeo Prignano, Urban VI | Maffeo Barberini, Urban VIII ... show more.

is a member of: papacy, pontificate.

derivation: apostolic, apostolical, papal, pontifical.