15-Letter Words Starting With SI

There are 12 15-letter words that start with SI. 1 are common words, such as SIMPLIFICATIONS and SIGHTLESSNESSES. A rarer one is SINTERABILITIES. 3 words contain a doubled letter.

Full list 12

simplificationssightlessnessessimplicidentatesingularizationsinistrodextralsidesplittinglysigmoidoscopiessilicificationssilversmithingssilviculturallysilviculturistssinterabilities

About this list

Words
12 (1 common words)
Common example
simplifications
Rare example
sinterabilities
Doubled letters
3
Ending in S
7

Questions

How many 15-letter words starting with si are there?

12. 1 of them are common words.

What is a common example?

SIMPLIFICATIONS is among the common words in this set.