13-Letter Words Ending in ONE

There are 12 13-letter words that end in ONE. 1 are common words, such as STEPPINGSTONE and ANTHRAQUINONE. A rarer one is TRIAMCINOLONE. In this set, N is the most frequent open letter (10 words). 2 words contain a doubled letter.

Full list 12

steppingstoneanthraquinoneconversazionedexamethasonemembranophonephylloquinoneproparoxytonebutyrophenonecyclohexanonenorethindroneplastoquinonetriamcinolone

About this list

Words
12 (1 common words)
Common example
steppingstone
Rare example
triamcinolone
Doubled letters
2
Ending in S
0
Most frequent letter
N (10)

Questions

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

12. 1 of them are common words.

What is a common example?

STEPPINGSTONE is among the common words in this set.