13-Letter Words Containing ACA

There are 12 13-letter words that contain ACA. 2 are common words, such as ANTIMACASSARS and IMPLACABILITY. A rarer one is VACATIONLANDS. In this set, I is the most frequent open letter (10 words). 3 words contain a doubled letter.

Full list 12

antimacassarsimplacabilityaphrodisiacaldipsomaniacalegomaniacallyentomostracanmalacostracanparanoiacallyantiacademicsplacabilitiesultracautiousvacationlands

About this list

Words
12 (2 common words)
Common example
antimacassars
Rare example
vacationlands
Doubled letters
3
Ending in S
5
Most frequent letter
I (10)

Questions

How many 13-letter words containing aca are there?

12. 2 of them are common words.

What is a common example?

ANTIMACASSARS is among the common words in this set.