8-Letter Words Matching _____N_M

There are 21 8-letter words that match _____N_M. 8 are common words, such as ALUMINUM and DUODENUM. A rarer one is TIMPANUM. In this set, A is the most frequent open letter (17 words). 1 words contain a doubled letter.

Full list 21

aluminumduodenumlaburnumlaudanumplatinumsphagnumtympanumviburnumalburnumgalbanumglucinumlabdanumminyanimolibanumretronymtautonymchazanimhazzanimkhazenimoriganumtimpanum

About this list

Words
21 (8 common words)
Common example
aluminum
Rare example
timpanum
Doubled letters
1
Ending in S
0
Most frequent letter
A (17)

Questions

How many 8-letter words matching _____n_m are there?

21. 8 of them are common words.

What is a common example?

ALUMINUM is among the common words in this set.