14-Letter Words Ending in ALS

There are 19 14-letter words that end in ALS. 12 are common words, such as ANTIBACTERIALS and INFINITESIMALS. A rarer one is SUPERCRIMINALS. In this set, I is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 19

antibacterialsinfinitesimalsinternationalsmultinationalsnoncommercialsnonreciprocalspetrochemicalsphenobarbitalsquadrilateralstercentennialstransnationalstricentennialsantidiarrhealspentobarbitalsantimicrobialsbiconditionalsneurochemicalsnonhomosexualssupercriminals

About this list

Words
19 (12 common words)
Common example
antibacterials
Rare example
supercriminals
Doubled letters
4
Ending in S
19
Most frequent letter
I (18)

Questions

How many 14-letter words ending in als are there?

19. 12 of them are common words.

What is a common example?

ANTIBACTERIALS is among the common words in this set.