The initial idioms of the letter G

generalize about	generalize from
generalize	generation gap
Generation X	generation
generic	generous to a fault
generous	geneva courage
genie	put the genie back in the bottle
genius	Genius is ten percent inspiration and ninety perce
gentle	gentle as a lamb
gentle giant	gentleman of the four outs
gentleman's agreement	gentleman's pact
gentleman	genuine article
George	Georgia
geri	GERK
german	German virgin
German wheel	Geronimo!