r de contado
=offer=, ofrecimiento, oferta
=to offer=, ofrecer
=office=, oficina, despacho
=office (lawyer's)=, bufete (de abogado)
=office boy (jocularly)=, hortera
=of no avail=, de balde
=often=, a menudo
=oil=, aceite
=old=, viejo, antiguo
=old age=, vejez
=omnibus=, omnibus
=on=, sobre
=on deck=, sobre cubierta
=onion=, cebolla
=only= (_adj._), solo
=only= (_adv._), solo, solamente
=to open=, abrir
=opening=, apertura
=openly=, a las claras, claro y redondo
=to operate=, obrar
=operations=, operaciones
=operator=, operador
=opportunity=, oportunidad
=to oppose=, oponerse a
=orange=, naranja
=orchard=, huerta, huerto
=to order=, mandar, pedir
=order=, orden, pedido, encargo
=ordinary=, ordinario
=to organise=, organizar
=osnaburgs=, cregueelas
=other=, otro
=other people's property=, (lo) ajeno
=output=, producto
=overdue=, atrasado
=overhead=, aereo
=to overload oneself=, sobrecargarse
=to overstep=, exceder
=to owe=, deber
=owing to=, debido a
=own=, propio
=ox=, buey
=ox casings=, tripas, de buey

=P=

=to pack=, empacar
=packages=, bultos
=packet=, paquete
=page=, pagina
=pain=, dolor
=to pain=, doler
=painful=, doloroso
=paint=, pintura
=pair=, par
=palace=, palacio
=pan (sugar manuf.)=, tacho, paila
=paper=, papel
=paper fasteners=, sujetapapeles
=parcel=, paquete, partida
=parents=, padres
=parliamentary bill=, proyecto de ley
=parliamentary session=, legislatura
=part=, la parte
=partner=, socio
=pasha=, baja
=to pass=, pasar
=pattern sets or cards=, muestrarios
=to pawn=, empenar
=pause=, pausa
=to pay=, pagar
=to pay (to be advantageous)=, tener cuenta
=payable=, pagadero
=peace=, paz
=peaches=, melocotones
=pen=, pluma
=penalty=, multa
=pencil=, lapiz
=penknife=, cortapluma
=pen-nibs=, puntitas
=penny=, penique
=people=, gente, pueblo
=pepper=, pimienta
=perennial=, perenne
=perfect=, perfecto
=to perfect=, perfeccionar
=perfectly=, perfectamente
=perhaps=, talvez
=petition=, peticion
=phrase=, frase
=philosophy=, filosofia
=physician=, medico
=pickled beef=, carne en salmuera
=picks=, picos
=pig=, puerco
=pig-iron=, lingotes de hierro
=pigeon-holes=, casillero
=pin=, alfiler
=pine=, pino
=pink (col.)=, rosa
=pipe=, tubo, pipa
=pistol=, pistola
=to place=, colocar, poner
=place=, plaza, sitio
=plain=, sencillo, simple
=plan (idea)=, plan, proyecto
=plan (sketch)=, piano
=plane=, cepillo
=plank=, tablon
=plant=, planta
=plate (meta