spearpoint vs spearhead

spearpoint and spearhead both are nouns.

Word	Noun	Adjective	Verb	Adverb
spearpoint	Yes	No	No	No
spearhead	Yes	No	Yes	No

As nouns, spearpoint and spearhead are synonyms defined as:

Other synonyms of spearpoint include spear-point.

spearpoint (noun)	spearhead (noun)
the head and sharpened point of a spear	the head and sharpened point of a spear
	the leading military unit in an attack
	someone who leads or initiates an activity (attack or campaign etc.)

spearpoint (verb)	spearhead (verb)
	be the leader of