spade vs garden spade

spade and garden spade both are nouns.

Word	Noun	Adjective	Verb	Adverb
spade	Yes	No	Yes	No
garden spade	Yes	No	No	No

As nouns, garden spade is a hyponym of spade; that is, garden spade is a word with a more specific, narrower meaning than spade:

Other hyponyms of spade include ditch spade, long-handled spade.

spade (noun)	garden spade (noun)
a sturdy hand shovel that can be pushed into the earth with the foot	a spade used by gardeners
a playing card in the major suit that has one or more black figures on it

spade (verb)	garden spade (verb)
dig (up) with a spade