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"Hallo" is an interjection which is often translated as "hola", and "hullo" is an interjection which is also often translated as "hola". Learn more about the difference between "hallo" and "hullo" below.
hallo
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
1. (greeting)
hullo
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
a. hola
I went to my old school to say hullo to my favorite teacher.Fui a mi antigua escuela para saludarle a mi maestra favorita.