Ends in "Ty"
Potty.
Lima, Naples, Athens
Cities.
Father.
Dad.
Bogota, Los Angeles, and Rabat are all examples of this.
Labrador, Collie, Bull
Dog.
A feat or exploit; usually a praiseworthy act
Deed.
Though its symbol resembles a figure 8 lying down, it's beyond any number.
Infinity.
Black, Brown, Grizzly
Bear.
This term refers to a bomb or explosive that fails to detonate,
Dud.
When your folks say "Grow up", they want you to reach this state of being fully grown,
Maturity.
Mako, Hammerhead, Great White.
Shark.
The first name of a famous magician with the surname "Blaine".
David.
As an adverb it means moderately, but as an adjective it means more than moderately attractive.
Pretty.
Golden, Bald, White-Tailed.
Eagle.
A verb, meaning "anticipating with great apprehension or fear."
Dread.