pickaxe vs pickax

pickaxe and pickax both are nouns.

Word	Noun	Adjective	Verb	Adverb
pickaxe	Yes	No	No	No
pickax	Yes	No	No	No

As nouns, pickaxe and pickax are synonyms defined as:

pickaxe and pickax: a heavy iron tool with a wooden handle and a curved head that is pointed on both ends

Other synonyms of pickaxe include pick.

pickaxe (noun)	pickax (noun)
a heavy iron tool with a wooden handle and a curved head that is pointed on both ends	a heavy iron tool with a wooden handle and a curved head that is pointed on both ends