spade vs ditch spade

spade and ditch spade both are nouns.

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

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

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

spade (noun)	ditch spade (noun)
a sturdy hand shovel that can be pushed into the earth with the foot	a spade with a long handle for digging narrow ditches
a playing card in the major suit that has one or more black figures on it

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