13-Letter Words Matching ____X________

There are 19 13-letter words that match ____X________. 6 are common words, such as BISEXUALITIES and INTOXICATIONS. A rarer one is TRIAXIALITIES. 6 words contain a doubled letter.

Full list 19

bisexualitiesintoxicationsnonexistencesnonexplosivesobnoxiousnesspreexistencesannexationismannexationistdesexualizingnonexpendableautoxidationsdetoxicationshypoxanthinesintoxicatedlynonexecutivesnonexploitivepreexperimentrelaxednessestriaxialities

About this list

Words
19 (6 common words)
Common example
bisexualities
Rare example
triaxialities
Doubled letters
6
Ending in S
12

Questions

How many 13-letter words matching ____x________ are there?

19. 6 of them are common words.

What is a common example?

BISEXUALITIES is among the common words in this set.