12-Letter Words Matching T_______M___

There are 14 12-letter words that match T_______M___. 2 are common words, such as TRANSFORMERS and TRANSFORMING. A rarer one is TRICHOTOMOUS. In this set, I is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 14

transformerstransformingthiosinaminetransformismtranshipmenttryparsamidetelegrammingterraformingthalassemiasthalassemicsthymectomiesthymectomizetrichotomiestrichotomous

About this list

Words
14 (2 common words)
Common example
transformers
Rare example
trichotomous
Doubled letters
4
Ending in S
6
Most frequent letter
I (13)

Questions

How many 12-letter words matching t_______m___ are there?

14. 2 of them are common words.

What is a common example?

TRANSFORMERS is among the common words in this set.