Affixes

Some examples are millionaire, a person whose assets are worth one million pounds or dollars or more (and other words formed in imitation of it, such as billionaire and zillionaire); commissionaire, a uniformed door attendant at a hotel or theatre (medieval Latin commissionarius, a person in charge); and concessionaire, the holder of a concession or grant. Doctrinaire is now usually an adjective referring to an attempt to impose a doctrine without regard to practical considerations. See also ‑ar², ‑ary¹, ‑er¹, and ‑eer.