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13-Letter Words Ending in IUM

There are 13 13-letter words that end in IUM. 1 are common words, such as RUTHERFORDIUM and ACTINOURANIUM. A rarer one is HEXAMETHONIUM. In this set, O is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 13

rutherfordiumactinouraniumanticlinoriumferrochromiumhypochondriummycobacteriumperichondriumprotoactiniumsuccinctoriumzoosporangiumarmamentariumdecamethoniumhexamethonium

About this list

Words
13 (1 common words)
Common example
rutherfordium
Rare example
hexamethonium
Doubled letters
3
Ending in S
0
Most frequent letter
O (12)
Back to the indexWords of this length.13-letter wordsWords of this length.All word listsLengths, starts, and endings.12-letter IUMWords of this length.Open the finder with this filterSearch by the letters you have.

Questions

How many 13-letter words ending in ium are there?

13. 1 of them are common words.

What is a common example?

RUTHERFORDIUM is among the common words in this set.