hammerhead vs hammer

hammerhead and hammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
hammerhead	Yes	No	No	No
hammer	Yes	No	Yes	No

hammerhead (noun)	hammer (noun)
medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous	the act of pounding (delivering repeated heavy blows)
the striking part of a hammer	a hand tool with a heavy rigid head and a handle; used to deliver an impulsive force by striking
a stupid person; these words are used to express a low opinion of someone's intelligence	a power tool for drilling rocks
	a striker that is covered in felt and that causes the piano strings to vibrate
	a light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.
	the part of a gunlock that strikes the percussion cap when the trigger is pulled
	a heavy metal sphere attached to a flexible wire; used in the hammer throw
	the ossicle attached to the eardrum

hammerhead (verb)	hammer (verb)
	beat with or as if with a hammer
	create by hammering