10-Letter Words Containing NIU

There are 21 10-letter words that contain NIU. 11 are common words, such as ALUMINIUMS and DELPHINIUM. A rarer one is TRIENNIUMS. In this set, M is the most frequent open letter (21 words). 3 words contain a doubled letter.

Full list 21

aluminiumsdelphiniumgadoliniumgermaniumsharmoniumsmillenniumneptuniumsplutoniumsprosceniumrutheniumszirconiumsascogoniumdecenniumsdiazoniumseuphoniumsstramoniumtricliniumhydroniumspolemoniumsulfoniumstrienniums

About this list

Words
21 (11 common words)
Common example
aluminiums
Rare example
trienniums
Doubled letters
3
Ending in S
13
Most frequent letter
M (21)

Questions

How many 10-letter words containing niu are there?

21. 11 of them are common words.

What is a common example?

ALUMINIUMS is among the common words in this set.