-ium /-i-əm/

1. Forming nouns denoting: a metallic element, as in plutonium
2. A group forming a positive ion, as in ammonium
3. A biological structure, as in conidium

• duperies
• dupers
• dupery
• dupes
• duping
• dupion
• dupions
• duple
• duplet
• duplets
• duplex
• duplex apartment
• duplex apartments
• duplexer
• duplexers
• duplexes
• duplex house
• duplex houses
• duplicand
• duplicands
• duplicate
• duplicate bridge
• duplicate bridges
• duplicated
• duplicate ratio