15-Letter Words Starting With SP

There are 16 15-letter words that start with SP. 2 are common words, such as SPECIALIZATIONS and SPRIGHTLINESSES. A rarer one is SPREADABILITIES. In this set, E is the most frequent open letter (16 words). 4 words contain a doubled letter.

Full list 16

specializationssprightlinessesspectroscopicalspecialisationsspectrographiesspectroscopistsspermatogenesesspermatogenesisspinelessnessesspinthariscopesspiritualnessessplendiferouslysplenectomizingspontaneousnesssporangiophoresspreadabilities

About this list

Words
16 (2 common words)
Common example
specializations
Rare example
spreadabilities
Doubled letters
4
Ending in S
13
Most frequent letter
E (16)

Questions

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

16. 2 of them are common words.

What is a common example?

SPECIALIZATIONS is among the common words in this set.