Origin: The word GEN originated from the Greek word GENES which means Birth or origin.
The words derived from this possess the above meaning.
Words:
Congenial = Pleasant or pleasing
Congenital = From birth
Degenerate = Failing, decayed
Engender = Give rise to, produce
Genealogy = The study of lines of descent
Genesis = Origin, creation
Genial = Friendly, amicable
Genre= A Style or a category
Gentry = People of good social position
Heterogeneous = Of different kinds
Homogenous = Of the same kind
Indigenous = Native, originated in one’s own country
Progeny = Offspring, children
Regenerate = To grow after loss and damage
Pathogen = An organism that can cause disease