Naysayer and Sourpuss

Naysayer noun - A person who distrusts other people and believes that everything is done for selfish reasons.

Sourpuss and naysayer are semantically related. in pessimist topic. In some cases you can use "Sourpuss" instead a noun "Naysayer".

Sourpuss noun - An irritable and complaining person.

Naysayer and sourpuss are semantically related. You can use "Naysayer" instead a noun "Sourpuss".