We have a specialty today.
She provides specialty shoes for the needy.
I am an artist; my specialty is pottery.
Dim Sum is one of the local specialties in Hong Kong.
The chef's specialty was steak tartare. That is a specialty item and must be ordered.
Example sentence - The laboratory's specialty is in genetics.
An example of a sentence using the word corpulence would be:"When I entered the doctors waiting room, I was repulsed by the corpulence of the receptionist, especially since the doctor's specialty was weight loss."
The word specialty is a noun. It is something in which someone specializes.
An obscure word for career or specialty is métier.
The Chef was noted for his speciality of beef bourguignon.
special
Yes, the word 'specialty' is a common noun, a general word for something that a person or place is known for making or producing; an area of study, skill, or business for which someone has expertise; a word for any specialty of any kind.