15-Letter Words Starting With SY

There are 17 15-letter words that start with SY. 5 are common words, such as SYLLABIFICATION and SYMPATHETICALLY. A rarer one is SYNCHRONOUSNESS. In this set, I is the most frequent open letter (16 words). 10 words contain a doubled letter.

Full list 17

syllabificationsympatheticallysymptomaticallysynchronizationsystematizationsycophanticallysyllogisticallysynchronicitiessynecdochicallysynergisticallysymmetricalnesssymmetrizationssympathectomiessympathomimeticsymptomatologicsynchronisationsynchronousness

About this list

Words
17 (5 common words)
Common example
syllabification
Rare example
synchronousness
Doubled letters
10
Ending in S
5
Most frequent letter
I (16)

Questions

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

17. 5 of them are common words.

What is a common example?

SYLLABIFICATION is among the common words in this set.