11-Letter Words Starting With ID

There are 17 11-letter words that start with ID. 8 are common words, such as IDENTICALLY and IDENTIFIERS. A rarer one is IDIOBLASTIC. In this set, I is the most frequent open letter (16 words). 5 words contain a doubled letter.

Full list 17

identicallyidentifiersidentifyingideologicalideologistsidioticallyidolizationidyllicallyideographicidioglossiaidiographicidiomorphicidempotentsideogrammicideologizedideologizesidioblastic

About this list

Words
17 (8 common words)
Common example
identically
Rare example
idioblastic
Doubled letters
5
Ending in S
4
Most frequent letter
I (16)

Questions

How many 11-letter words starting with id are there?

17. 8 of them are common words.

What is a common example?

IDENTICALLY is among the common words in this set.