Bitier vs Biter - What's the difference?

As an adjective bitier

is comparative of bitey.

agent noun of bite; someone or something who bites.

(head)

(bitey)

(er)

(informal) inclined to bite.

* 2005 , Tom Widdicombe, Be with Your Horse: Getting to the Heart of Horsemanship

So when someone tells you their little trick for dealing with a bitey horse, just remember that that is what it is — a little trick.

* 2006 , Sean Dooley, The Big Twitch: One Man, One Continent, a Race Against Time

It has all the beauty of an idyllic tropical island without any of the nasty, bitey stuff.

(en noun)

Agent noun of bite; someone or something who bites.

Not all dogs are biters .

(curling) A stone that barely touches the outside of the house.

(slang) One who plagiarizes.