The augmentatives are formed in Spanish by adding the suffixes -on, -azo, -ote, -achón, -ejón, -errón, -ónón, -etón and -aton to nouns, adjectives and even verbs.
As the word indicates, augmentatives are used to makke bigger something, usually express something large or talk about something that has great importance.
Then, you will find some examples with the most common suffixes to form augmentatives.
Words formed with this suffix has masculine gender, although these are derived from a feminine word.
La noticia> el notición
La película > el peliculón
El portal > el portalón
La torre > el torreón
In addition, names are also formed from a verb such as:
apagar > apagón
Generally, this suffix is used to express violent blows or movements made with the derived name.
Tomato> tomatazo (hit with a tomato)
Pelota > pelotazo (hit with a ball)
However, it is also used -azo to express that something is very large from a positive point of view such as:
Piso > pisazo (large flat and very beautiful)
hotel> hotelazo (very large and luxurious hotel)
Generally, this suffix is used from a derogatory point of view, that is, negative.
Muchacho > muchachote
Grande > grandote
Some words formed with this suffix are:
Abeja > abejón
Calle > callejón
Some examples of words with this suffix are:
Rico > ricachón
Bueno > bonachón (irregular form of ‘bueno’)
Sandra Municio / Practica Español
Bibliography consulted for this post: Nueva gramática de la lengua española, RAE