Mammoth Uncensored Word List:
99 - 12 letter words starting with as

ascendancies ascendencies ascensionist ascertaining ascomycetous asepticising asepticizing asexualities asparaginase aspergations aspergillums aspersoriums aspheterised aspheterises aspheterisms aspheterized aspheterizes asphyxiating asphyxiation asphyxiators aspirational aspiringness asportations assafoetidas assassinated assassinates assassinator assaultively assemblagist assemblances assemblaunce assentaneous assentations assessorship asseverating asseveration asseverative assibilating assibilation assignations assimilating assimilation assimilative assimilators assimilatory associations assoilzieing assortedness assuagements assubjugated assubjugates assuefaction assumability assumptively assurgencies astacologies astacologist asteriskless asteroideans astigmatisms astonishment astoundingly astoundments astragaluses astraphobias astraphobics astrapophobe astrictively astringences astringently astrobiology astrochemist astrocompass astrocytomas astrodynamic astrogeology astrohatches astrolatries astrological astrologists astrometries astronautics astronomical astronomised astronomises astronomized astronomizes astrophobias astrophysics astrospheres astrotourism astrotourist astutenesses asymmetrical asymptomatic asymptotical asynchronies asynchronism asynchronous