These shortened forms are used in everyday speech

Abue is short for abuelo/abuela of grandfather/grandmother
Bici is short for bicicleta or bicycle
Cole is short for colegio or high school
Cumple is short for cumpleaños or birthday
Doc is short for doctor or doctor in English
Fut is short for fútbol or soccer
Guate is short for Guatemala
Hospi is short for hospital [...]