13-Letter Words Start with 'ar'

There are 37 13-letter words that start with 'ar'.

arabicization	arbitrariness
arbitrational	arborescences
arboriculture	arborizations
archaeologies	archaeologist
archaeopteryx	archbishopric
archduchesses	archegoniates
archidiaconal	archimandrite
archipelagoes	architectonic
architectural	architectures
arduousnesses	argentiferous
argumentation	argumentative
aristocracies	arithmetician
armamentarium	aromaticities
aromatization	arsenopyrites
arsphenamines	arteriography
arteriovenous	arthritically
arthropathies	arthroscopies
articulations	artificiality
artlessnesses

Note: These 37 13-letter words that start with 'ar' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with arc, art, arr, arm, arb, arg, ari, ara, are, aro, ars, ard, arp, aru, ary, arn, ark, arh, arv, arf, arq, arl.

3-letter words start with 'ar' (8)
4-letter words start with 'ar' (20)
5-letter words start with 'ar' (52)
6-letter words start with 'ar' (105)
7-letter words start with 'ar' (131)
8-letter words start with 'ar' (150)
9-letter words start with 'ar' (153)
10-letter words start with 'ar' (102)
11-letter words start with 'ar' (74)
12-letter words start with 'ar' (52)
13-letter words start with 'ar' (37)
14-letter words start with 'ar' (21)
15-letter words start with 'ar' (12)