umma_gumma

There is a Latin suffix -um which commonly appears at the end of many English words. Occasionally, -um appears there for other reasons!

• actinium
• Actium
• addendum
• aecium
• alarum
• album
• allium
• alluvium
• aluminum
• americium
• antebellum, literally "before the war"
• antheum
• aquarium
• arboretum
• arcanum
• aspergillum
• asphaltum
• asylum
• atrium
• auditorium
• bacterium
• barium
• begum
• Belgium
• berkelium
• beryllium
• bohrium
• boojum
• Brundisium
• bucheum, where the ancient Egyptians preserved the mummified bodies of sacred bulls;
• bunkum
• Byzantium
• cadmium
• Caesareum, a monument to Caesar, built by Cleopatra.
• calcium
• caldarium, the section of a Roman bath with hot water
• californium
• candelabrum
• capsicum
• carborundum
• cecum
• cerebellum
• cerium
• cesium
• chromium
• chrysanthemum
• cilium
• colloquium
• colosseum
• colostrum
• columbarium
• compendium
• condominium
• conium
• consortium
• continuum
• conundrum
• copernicium
• corium, material created in a nuclear reactor core meltdown
• corrigendum
• cranium
• crematorium
• curium
• curriculum
• darmstadtium
• datum: the singular form of "data"
• decorum
• delirium
• delphinium
• desideratum, a thing to be desired
• dictum
• doldrum
• dubnium
• duodenum
• durum
• Dyrrhachium
• dysprosium
• effluvium
• einsteinium
• electrum
• Elysium
• encomium
• endocardium
• endometrium
• endothelium
• epithelium
• equilibrium
• erbium
• erratum
• estrum
• Ethereum, a digital "currency"
• europium
• exordium
• extremum
• factotum
• factum
• fair dinkum (Australian slang for "good" or "excellent")
• fanum
• feculum
• fermium
• flerovium
• florilegium
• folium
• forum
• francium
• frenum
• frenulum
• frigidarium, the section of a Roman bath with cold water
• frustrum
• fulcrum
• gadolinium
• gallium
• geranium
• germanium
• gonium
• gymnasium
• gypsum
• hafnium
• harmonium
• harum scarum
• hassium
• helium
• herbarium
• herpetarium
• hilum
• hokum (slang for something bogus or meaningless)
• holmium
• honorarium
• ileum
• ilium
• Ilium
• Illyricum
• imperium
• incunabulum
• indicium
• indium
• individuum
• infemum
• interregnum
• interstitium, a network of fluid-filled spaces in the body.
• ionium
• iridium
• Janiculum, a hill in western Rome
• jorum
• jugum
• kalium
• kurchatovium, a proposed name for element 104, which instead was named rutherfordium.
• labium
• labrum
• lanthanum
• latium
• laudunum
• lawrencium
• librium
• linoleum
• lithium
• livermorium
• locum
• lorum
• lustrum, a period of five years, for taxing and census
• lutetium, an element named for the Roman version of "Paris"
• lyceum
• magisterium
• magnesium
• magnum
• mausoleum
• maximum
• meconium
• medium
• meitnerium
• memorandum
• mendelevium
• menstruum
• milium
• millenium
• minimum
• minium
• modicum
• molybdenum
• momentum
• moritorium
• moscovium
• museum
• natatorium
• neodymium
• neptunium
• nihonium
• niobium
• nobelium
• nostrum
• oakum
• odium
• oidium
• omentum, the only rhyme for "momentum"!
• omnium gatherum
• onium
• opium
• opprobrium
• optimum
• opuculum, a small or minor literary work
• orpheum
• osmium
• ostium
• ovum
• pabulum
• palladium
• pallium
• pandemonium
• panjandrum
• papadum, a thin cake made from flour
• paramecium
• the Partium, an isolated north-eastern corner of Hungary that eluded the Ottoman conquest.
• Pelusium
• pendulum, literally "hanging thing"
• pentium, the brand name for a particular popular computer chip
• peplum
• per annum
• perineum
• peritoneum
• petroleum
• philtrum
• phylum
• planetarium
• platinum
• plectrum
• plenum
• plutonium
• podium
• polonium
• pomatum
• possum
• postpartum
• potassium
• practicum
• praseodymium
• premium
• presidium
• promethium
• proscenium
• protactinium
• psyllium
• pudendum
• quadrennium
• quadrivium
• quantum
• quorum
• radium
• rectum
• referendum
• refugium
• residuum
• rhenium
• rhodium
• roentgenium
• rostrum
• rubidium
• ruthenium
• rutherfordium
• samarium
• sanatorium
• sanctum
• sanctum sanctorum
• scandium
• scholium
• scriptorium
• scrotum
• scutum
• seaborgium
• sebum
• selenium
• sensorium
• septum
• Serapeum
• serpentarium
• serum
• signum
• simulacrum
• sistrum
• Slocum, a surname.
• sodium
• solarium
• spectrum
• speculum
• sputum
• stadium
• sternum
• stratum
• strontium
• succedaneum
• supremum
• symposium
• tabernaculum, a holy place
• talcum
• tantalum
• tantrum
• Tarentum
• technetium
• tedium
• teetotum
• telium
• tellurium
• tepidarium, the section of a Roman bath with lukewarm water
• terbium
• terrarium
• thallium
• thorium
• thulium
• titanium
• totum
• trapezium
• triduum, a three day prayer ritual
• tritium
• trivium
• tympanum
• ultimatum
• unnilunium, temporary name for element 101, mendelevium
• unnilbium, temporary name for element 102, nobelium
• unniltrium, temporary name for element 103, lawrencium
• unnilquadium, temporary name for element 104, rutherfordium
• unnilpentium, temporary name for element 105, dubnium
• unnilhexium, temporary name for element 106, seaborgium
• unnilseptium, temporary name for element 107, bohrium
• unniloctium, temporary name for element 108, hassium
• unnilennium, temporary name for element 109, meitnerium
• unnilnilium, temporary name for element 110, darmstadtium
• unobtanium, a valuable substance in the movie 'Avatar'
• unununium, hypothetical element 111, now roentgenium
• ununbium, hypothetical element 112, now copernicium
• ununoctium, hypothetical element 118, now organesson
• ununium, hypothetical element 119, now roentgenium
• unununium, hypothetical element 119, now roentgenium
• unobtainium, the joking name of a vital ore in the movie 'Avatar'
• uranium
• vacuum
• vade mecum, literally "go with me"
• valium
• vanadium
• variorum
• vasculum
• vellum
• viaticum
• vinculum
• ytterbium
• yttrium
• zirconium