aluminium, americium, arbetsrum, arboretum, berkelium, beryllium, bilmuseum, blodserum, bubbelgum, bullarium, cephalium, decennium, denotatum, deuterium, dubbelrum, epitafium, falsarium, femininum, flerovium, fotoalbum, genusflum, germanium, gerundium, gymnasium, harmonium, herbarium, hjärterum, hotellrum, hymnarium, kollegium, kollodium, koncilium, konsilium, kontinuum, konundrum, kriterium, magnesium, martyrium, maskinrum, mausoleum, mellanrum, moscovium, mysterium, neptunium, oratorium, ossuarium, palladium, perfektum, petroleum, plutonium, preludium, presidium, prometium, skyddsrum, slutdatum, steeldrum, strontium, symposium, teknetium, tellurium, terrarium, ultimatum, universum, ununtrium, unununium, vektorrum, ytterbium, zirkonium