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9-Letter Words That End With: ONIUM

There are 11 9 letter words, 0 9 letter phrases and 0 9 letter abbr's that end with ONIUM.

Best Scoring 9 Letter Words Ending: ONIUM

Expand?WordSave?LengthUsagePointsType
zirconium9
22 nounn
noun

• a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon

diazonium9
21 nounn
noun

• the univalent cation R-N:N- (where R is an aromatic hydrocarbon); found in salts that are used in manufacturing azo dyes

hydronium9
18 noun, adjectiven, adj
Valid word for Scrabble US
harmonium9
16 nounn
noun

• a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows

euphonium9
16 nounn
noun

• a bass horn (brass wind instrument) that is the tenor of the tuba family

carbonium9
15 noun, adjectiven, adj
Valid word for Scrabble US
sulfonium9
14 nounn
Valid word for Scrabble US
plutonium9
13 noun, adjectiven, adj
noun

• a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239

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Tip: Scrabble EU allows far more words than US! Also change the max length to see more words.

All 9 Letter Words Ending With ONIUM

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