11-Letter Words Starting With IS

There are 21 11-letter words that start with IS. 1 are common words, such as ISINGLASSES and ISOCHRONISM. A rarer one is ISOTONICITY. In this set, O is the most frequent open letter (20 words). 2 words contain a doubled letter.

Full list 21

isinglassesisochronismisochronizeisochronousisolecithalisoleucinesisomagneticisometricalisometropiaisomorphismisomorphousisopropanolisallobaricisoantibodyisoantigensisobutyleneisocyanatesisoelectricisograftingisomerizingisotonicity

About this list

Words
21 (1 common words)
Common example
isinglasses
Rare example
isotonicity
Doubled letters
2
Ending in S
6
Most frequent letter
O (20)

Questions

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

21. 1 of them are common words.

What is a common example?

ISINGLASSES is among the common words in this set.