vs
QUICK ANSWER
"Who" is a form of "who", a pronoun which is often translated as "quién". "Verb" is a noun which is often translated as "el verbo". Learn more about the difference between "verb" and "who" below.
verb()
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
who()
A pronoun is a word that stands in for a noun (e.g., she).
a. quién
Hello? Who is calling?¿Hola? ¿Quién llama?
I don't know who he is, but he looks a lot like my brother.No sé quién es, pero se parece mucho a mi hermano.
2. (relative)