-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

• regrate
• regrated
• regrater
• regraters
• regrates
• regrating
• regratings
• regrator
• regrators
• regrede
• regreded
• regredes
• regredience
• regrediences
• regreding
• regreet
• regreeted
• regreeting
• regreets
• regress
• regressed
• regresses
• regressing
• regression
• regressions