Complainer
Part of speech: noun
Definition: One who complains, or is known for their complaints.
Crybaby
Part of speech: noun
Definition: A baby that cries excessively.Someone whose feelings are very easily hurt, also by trivial matters.
Complainer as a noun is one who complains, or is known for their complaints. while Crybaby as a noun is a baby that cries excessively.
Part of speech: noun
Definition: One who complains, or is known for their complaints.
Part of speech: noun
Definition: A baby that cries excessively.Someone whose feelings are very easily hurt, also by trivial matters.
We hope you now know whether to use Complainer or Crybaby in your sentence.