12-Letter Words Containing BT

There are 14 12-letter words that contain BT. 9 are common words, such as DOUBTFULLEST and DOUBTFULNESS. A rarer one is THUMBTACKING. In this set, U is the most frequent open letter (13 words). 7 words contain a doubled letter.

Full list 14

doubtfullestdoubtfulnessindebtednessobtusenessessubtenanciessubterraneansubtotallingsubtractionsunobtainableoversubtletysubtemperatesubthresholdsubtlenessesthumbtacking

About this list

Words
14 (9 common words)
Common example
doubtfullest
Rare example
thumbtacking
Doubled letters
7
Ending in S
6
Most frequent letter
U (13)

Questions

How many 12-letter words containing bt are there?

14. 9 of them are common words.

What is a common example?

DOUBTFULLEST is among the common words in this set.