Runty
[ˈrʌnti]Background Story
The sources checked do not record runty as a personal name or give it a meaning.
Temperament

Related Names
Barny
Recorded as a masculine given name in English; also an English adjective, "barn-like"
Beans
Binky
Recorded as a rare given name in english, used for both boys and girls
Nobby
Diminutive form of Norbert
Rulla
Accie
Aggie
Diminutive of Agnes or Agatha
Akiak
Alvin
From a medieval form of the Old English names Ælfwine, Ælwine or Ealdwine
Bardy
A diminutive or affectionate form of the name 'Bard', often referring to a poet or storyteller.