13-Letter Words Ending in ALS

There are 41 13-letter words that end in ALS. 14 are common words, such as ANTIMALARIALS and BICENTENNIALS. A rarer one is ULTRARADICALS. In this set, I is the most frequent open letter (36 words). 13 words contain a doubled letter.

Full list 41

Common words

antimalarialsbicentennialsconfessionalsdifferentialsheterosexualsinstrumentalsintellectualsinvitationalsnonspiritualsprocessionalsprofessionalsproportionals
antimalarialsbicentennialsconfessionalsdifferentialsheterosexualsinstrumentalsintellectualsinvitationalsnonspiritualsprocessionalsprofessionalsproportionalsquarterfinalssupernaturalsagrochemicalshypotheticalsplanetesimalsagrichemicalsanticlericalsanticolonialsbimillennialshemorrhoidalshexobarbitalshyperarousalsinterglacialsinterstadialsmicrocrystalsmisappraisalsnonessentialsnonnumericalsnonuniversalspreceptorialspresbyterialsprocathedralsquinquennialssecobarbitalssubprincipalssuperspecialssupplementalsultraliberalsultraradicals

About this list

Words
41 (14 common words)
Common example
antimalarials
Rare example
ultraradicals
Doubled letters
13
Ending in S
41
Most frequent letter
I (36)

Questions

How many 13-letter words ending in als are there?

41. 14 of them are common words.

What is a common example?

ANTIMALARIALS is among the common words in this set.