Some common nouns for the proper noun Toyota are:
Pencil proper or common noun
Toyota
Toyota is a proper noun.
The word Toyota is a proper noun, it is a name of a specific company and a specific brand.
common noun
Common
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.
Camel is a common noun.