The word 'trainer' is a singular, common noun that can function as the subject of a sentence or a clause, and the object of a verb or a preposition. Examples:
subject: The trainer spent extra time with Jack once his injury had healed.
object: The credit for her victory goes to her trainer.
trainer is a noun it is a person
Trainer is a singular noun, meaning one trainer. Trainers is the plural noun, meaning more than one trainer. Trainer as a singular possessive is trainer's with the apostrophe before the s. Trainers as a plural possessive is trainers' with the apostrophe after the s.
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