13-Letter Words Matching A______S_____

There are 12 13-letter words that match A______S_____. 4 are common words, such as ADVERTISEMENT and ANNIVERSARIES. A rarer one is ANTIOBESITIES. In this set, I is the most frequent open letter (11 words). 4 words contain a doubled letter.

Full list 12

advertisementanniversariesantipersonnelantispasmodicaphrodisiacalapotheosizingasthenosphereaudiocassettealchemisticalanticlassicalanticonsumersantiobesities

About this list

Words
12 (4 common words)
Common example
advertisement
Rare example
antiobesities
Doubled letters
4
Ending in S
3
Most frequent letter
I (11)

Questions

How many 13-letter words matching a______s_____ are there?

12. 4 of them are common words.

What is a common example?

ADVERTISEMENT is among the common words in this set.