The nouns 'guava' and 'banana' are both common nouns, general words for any guava or any banana of any kind.
A proper noun is the name or title of a specific person, place, or thing; for example, del Valle Guava Juice Nectar (a Coca Cola brand product) or Banana Republic (clothing retailer).
In this context, it is common.
Common Nouns
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
The word banana is a noun, a common noun. When used as an adjective, as in banana bread, it is not capitalized. Any common noun can become a proper noun if it is used for the name of someone or something, such as the movie 'Bananas' (1971) or Banana Republic brand.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
The word banana is a common noun, a general word for any banana of any kind.A proper noun is the name of a specific person, place, thing, or a title; for example:Chiquita BananaBanana Street, Redland Bay, QLD, Australia or Banana Street, Fountain Valley, CABanana Leaf Malaysian Cuisine, Philadelphia, PA"The Banana Princess", a production of the Galapagos Puppet Theater"Bananas", 1971 Woody Allen movie
The word banana is a common noun, a general word for any banana of any kind.A proper noun is the name of a specific person, place, thing, or a title; for example:Chiquita BananaBanana Street, Redland Bay, QLD, Australia or Banana Street, Fountain Valley, CABanana Leaf Malaysian Cuisine, Philadelphia, PA"The Banana Princess", a production of the Galapagos Puppet Theater"Bananas", 1971 Woody Allen movie
Yes, banana is a common noun, a word for any banana.A common noun becomes a proper noun when it is the name of a person, place, thing, or a title; for example:Banana Republic (clothing)The Blue Banana Sports & Rock Bar, Washington, DCBanana Queensland, Australia (population 627)Banana Road, Lakeland, FLEcuador: Blood on the Bananas, article by David Bacon, published 7/31/02
Yes, banana is a common noun, a word for any banana.A common noun becomes a proper noun when it is the name of a person, place, thing, or a title; for example:Banana Republic (clothing)The Blue Banana Sports & Rock Bar, Washington, DCBanana Queensland, Australia (population 627)Banana Road, Lakeland, FLEcuador: Blood on the Bananas, article by David Bacon, published 7/31/02
Pencil proper or common noun
it's a common noun. a proper noun would be Spider-Man.