Festus •cactus • saltus • Diophantus • Sanctus •Rastus, Theophrastus•altostratus, cirrostratus, nimbostratus, stratus •conspectus, prospectus •momentous, portentous •asbestos, Festus •apparatus, Donatus, hiatus, status •acetous, boletus, Cetus, Epictetus, fetus, Miletus, quietus •Hephaestus •Benedictus, ictus, rictus •Quintus • linctus • eucalyptus • cistus •coitus •circuitous, fortuitous, gratuitous •Hippolytus • calamitous • tinnitus •Iapetus • crepitus •precipitous, serendipitous •impetus • emeritus • spiritous •Democritus, Theocritus •Tacitus • necessitous •duplicitous, felicitous, solicitous •covetous •iniquitous, ubiquitous •detritus, Heraclitus, Polyclitus, Titus, Vitus •Pocahontas, Pontus•Plautus, tortoise •cobaltous •Duns Scotus, lotus •hostess •arbutus, Brutus •Eustace • conductus • cultus •coitus interruptus • Augustus •riotous • Herodotus • Oireachtas

Festus (Sextus Pompeius Festus), fl. some time between AD 100 and 400, Roman lexicographer; his surviving work, On the Meaning of Words, is an abridgment of the lost glossary of Marcus Verrius Flaccus. It is important as a primary source for Roman scholarship and Roman antiquities. Paul the Deacon abridged Pompeius Festus' work.