-Ordinal numbers are generally used only up to tenth in Spanish. After that the cardinal mumbers are used. Primero / first Segundo / second Tercero / third Cuarto / fourth Quinto / fifth Sexto / sixth Séptimo / seventh Octavo / Eighth Noveno / ninth Décimo / tento ultimo / last - Promero & tercero shorten to primer & tercer in front of a masculine singular noun. el tercer hombre the third man la..