12-Letter Words Containing SYN

There are 54 12-letter words that contain SYN. 10 are common words, such as ASYNCHRONOUS and ELEEMOSYNARY. A rarer one is SYNONYMIZING. In this set, I is the most frequent open letter (43 words). 5 words contain a doubled letter.

Full list 54

Common words

asynchronouseleemosynarygeosynclinesidiosyncrasysynchronizedsynchronizessyncopationssyndicationssynthesizerssynthesizingasynchronismbiosyntheses
asynchronouseleemosynarygeosynclinesidiosyncrasysynchronizedsynchronizessyncopationssyndicationssynthesizerssynthesizingasynchronismbiosynthesesbiosynthesisbiosyntheticgeosynclinalparasynapsispolysyndetonpostsynapticresynthesizesynchroflashsynchronismssynchronizersynchroscopesynchrotronssyncretisticsyncretizingsyndicalismssyndicalistssynesthesiassynonymitiessynonymouslysynopticallyasynchroniesmonosynapticpolysynapticsynaesthesessynaesthesiasynaesthesissynapticallysynaptosomalsynaptosomessynarthrosessynarthrosissynchroneitysynchronicalsynchronisedsynchronisessyncretisingsyndactyliessyndactylismsyndeticallysynecologiessynergicallysynonymizing

About this list

Words
54 (10 common words)
Common example
asynchronous
Rare example
synonymizing
Doubled letters
5
Ending in S
24
Most frequent letter
I (43)

Questions

How many 12-letter words containing syn are there?

54. 10 of them are common words.

What is a common example?

ASYNCHRONOUS is among the common words in this set.