shovel vs power shovel

shovel and power shovel both are nouns.

Word	Noun	Adjective	Verb	Adverb
shovel	Yes	No	Yes	No
power shovel	Yes	No	No	No

As nouns, shovel and power shovel are synonyms defined as:

Other synonyms of shovel include digger, excavator.

shovel (noun)	power shovel (noun)
a hand tool for lifting loose material; consists of a curved container or scoop and a handle	a machine for excavating
a fire iron consisting of a small shovel used to scoop coals or ashes in a fireplace
a machine for excavating
the quantity a shovel can hold

shovel (verb)	power shovel (verb)
dig with or as if with a shovel