Vocabulario acerca de los miembros de la familia (familia inmediata y extendida).

Vocabulario: Los miembros de la familia

Parents
"Padres" sounds formal
"Papás" sounds informal
(To refer to a mom and a dad, two dads or several couples of parents)

Mothers
(To refer to two moms that have a child or a group of moms)

Cousin
"Primo" (masculine)
"Prima" (femenine)

"Abuelo" means grandfather.
"Abuelito" (diminutive) means grandpa.
"Nono" is a way to say grandpa in some Spanish-speaking countries with Italian heritage.

"Abuela" means grandmother.
"Abuelito" (diminutive) means grandma.
"Nono" is a way to say grandpa in some Spanish-speaking countries with Italian heritage.

Twin brothers
"Mellizos": they may or may not be of the same sex or have a similar appearance.
"Gemelos idénticos": by a high percentage, they tend to have the same sex and be pretty similar or even identical.