12-Letter Words Starting With TER

There are 12 12-letter words that start with TER. 7 are common words, such as TERCENTENARY and TERMINATIONS. A rarer one is TERRAFORMING. In this set, I is the most frequent open letter (11 words). 6 words contain a doubled letter.

Full list 12

tercentenaryterminationsterrestrialsterriblenessterrificallyterrifyinglyterritorialsteratologiesteratologistterebinthinetergiversateterraforming

About this list

Words
12 (7 common words)
Common example
tercentenary
Rare example
terraforming
Doubled letters
6
Ending in S
5
Most frequent letter
I (11)

Questions

How many 12-letter words starting with ter are there?

12. 7 of them are common words.

What is a common example?

TERCENTENARY is among the common words in this set.