honker vs driver

honker and driver both are nouns.

Word	Noun	Adjective	Verb	Adverb
honker	Yes	No	No	No
driver	Yes	No	No	No

As nouns, driver is a hypernym of honker; that is, driver is a word with a broader meaning than honker:

honker (noun)	driver (noun)
common greyish-brown wild goose of North America with a loud, trumpeting call	a golf club (a wood) with a near vertical face that is used for hitting long shots from the tee
informal terms for the nose	(computer science) a program that determines how a computer will communicate with a peripheral device
a driver who causes his car's horn to make a loud honking sound	the operator of a motor vehicle
	a golfer who hits the golf ball with a driver
	someone who drives animals that pull a vehicle