No, "iPhone" is not a common noun; it is a proper noun. A proper noun refers to a specific name of a person, place, or thing, while a common noun refers to general items or concepts. In this case, "iPhone" specifically identifies a brand of smartphones manufactured by Apple, distinguishing it from other types of phones.
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.
Th word tail is a common noun because the first letter of a proper noun is capitalized.
it is re@lly @ common noun
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
common
Yes, it is a common noun, not a proper noun.
The noun cassette is a common noun.