12-Letter Words Start with 'ar'

There are 52 12-letter words that start with 'ar'.

arabinosides	arbitrageurs	arbitraments
arbitrations	arborescence	arborization
archdeaconry	archdiocesan	archdioceses
archdukedoms	archegoniate	archenterons
archeologies	archerfishes	archesporial
archesporium	archetypally	archetypical
archipelagic	archipelagos	architecture
archosaurian	argillaceous	aristocratic
arithmetical	armamentaria	aromatherapy
aromatically	arpeggiating	arraignments
arrangements	arsenopyrite	arsphenamine
arteriograms	artfulnesses	arthroscopes
arthroscopic	arthrospores	articulacies
articulately	articulating	articulation
articulative	articulators	articulatory
artificially	artillerists	artilleryman
artillerymen	artiodactyls	artisanships
artistically

Note: These 52 12-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)