=numero= _m._ number

=nunca= never

=O=

=o= or; =o ... o= either ... or

=o=, =oh= _inter._ oh

=obedecer= to obey

=obedecio= _3 sing. pret. ind. of_ =obedecer=

=obligar= to oblige, compel

=obligo= _3 sing. pret. ind. of_ =obligar=

=obra= _f._ work

=obrero= _m._ workman

=obsequiar= to entertain, show attention; =obsequiar a porfia= to show rivalry in entertaining

=obsequiaron= _3 pl. pret. ind. of_ =obsequiar=

=observar= to observe

=observo= _3 sing. pret. ind. of_ =observar=

=obtener= to obtain

=ocasion= _f._ occasion, opportunity

=oculta= _3 sing. pres. ind. of_ =ocultar=

=ocultar= to hide, conceal

=ocurrido= _p. p. of_ =ocurrir=

=ocurrir= to happen, occur

=ochenta= eighty

=ocho= eight; =ocho dias= a week

=oficial= _m._ officer

=oficina= _f._ office

=oficio= _m._ work, trade, business

=ofrecer= to offer, promise

=ofrecieron= _3 pl. pret. ind._ =ofrecio= _3 sing. pret. ind._ =ofrezco= _1 sing. pres. ind. of_ =ofrecer=

=oir= to hear; =al oir= on hearing

=ojo= _m._ eye

=oleaje= _m._ surge, waves

=oler= (=a=) to smell (of)

=olvidado= _p. p._ =olvidando= _pres. p. of_ =olvidar=

=olvidar= to forget

=olvide= _1 and 3 sing. pres. subj. of_ =olvidar=; =no olvide Vd.= don't forget; =olvido= _3 sing. pret. ind. of_ =olvidar=

=olla= _f._ pot, kettle

=ora ... ora= now ... now

=orden= _f._ order; =a las ordenes= under the command

=ordinario= ordinary; =de ordinario= usual

=oriente= _m._ East, orient

=orilla= _f._ bank, sh.o.r.e; =a orillas= on the sh.o.r.e

=oro= _m._ gold

=oscuro= dark; =a oscuras= in the dark

=oso= _m._ bear

=otono= _m._ autumn

=otro= other, another; =otra vez= again; =otro tanto= as much more

=oveja= _f._ sheep

=oyeron= _3 pl. pret. ind. of_ =oir=

=oyo= _3 sing. pret. ind. of_ =oir=; =oyo las dos= he heard two o'clock strike