What word is used to express it when saying any other hour in spanish?

The word you're looking for is "la" when referring to any other hour in Spanish.

For example:

* "la una" (1 o'clock)

* "las dos" (2 o'clock)

* "las tres" (3 o'clock)

* "las cuatro" (4 o'clock)

* "las cinco" (5 o'clock)

* "las seis" (6 o'clock)

* "las siete" (7 o'clock)

* "las ocho" (8 o'clock)

* "las nueve" (9 o'clock)

* "las diez" (10 o'clock)

* "las once" (11 o'clock)

* "las doce" (12 o'clock)

Note:

* "la" is used for all hours except for "una" (one o'clock), where we use "la" for "la una".

* "las" is used for the plural hours (2-12).