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"Hermana" is a form of "hermana", a noun which is often translated as "sister". "Yo" is a pronoun which is often translated as "I". Learn more about the difference between "hermana" and "yo" below.
la hermana(
ehr
-
mah
-
nah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (relative)
a. sister
Llevé un vestido precioso para la boda de mi hermana.I wore a beautiful dress for my sister's wedding.
2. (religious)
a. sister
Las hermanas hacen mucho trabajo caritativo en la comunidad.The sisters do a lot of charity work in the community.
yo(
yoh
)A pronoun is a word that stands in for a noun (e.g., she).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
3. (psychology)