13-Letter Words Starting With AR

There are 44 13-letter words that start with AR. 19 are common words, such as ARBITRARINESS and ARCHAEOLOGIES. A rarer one is ARTHROPATHIES. In this set, I is the most frequent open letter (38 words). 6 words contain a doubled letter.

Full list 44

Common words

arbitrarinessarchaeologiesarchaeologistarchbishopricarchduchessesarcheologicalarcheologistsarchipelagoesarchitectonicarchitecturalarchitecturesarduousnesses
arbitrarinessarchaeologiesarchaeologistarchbishopricarchduchessesarcheologicalarcheologistsarchipelagoesarchitectonicarchitecturalarchitecturesarduousnessesargumentationargumentativearistocraciesarithmeticianarticulationsartificialityartlessnessesarachnophobiaarboriculturearchaeopteryxarchdeaconatearchidiaconalarchimandriteargentiferousargilliferousarsenopyritesarterializingarteriovenousarthroscopiesarundinaceousarabicizationarbitrationalarborescencesarborizationsarchegoniatesarmamentariumaromaticitiesaromatizationarsphenaminesarteriographyarthriticallyarthropathies

About this list

Words
44 (19 common words)
Common example
arbitrariness
Rare example
arthropathies
Doubled letters
6
Ending in S
22
Most frequent letter
I (38)

Questions

How many 13-letter words starting with ar are there?

44. 19 of them are common words.

What is a common example?

ARBITRARINESS is among the common words in this set.