spatula vs putty knife

spatula and putty knife both are nouns.

Word	Noun	Adjective	Verb	Adverb
spatula	Yes	No	No	No
putty knife	Yes	No	No	No

As nouns, putty knife is a hyponym of spatula; that is, putty knife is a word with a more specific, narrower meaning than spatula:

spatula: a hand tool with a thin flexible blade used to mix or spread soft substances
putty knife: a spatula used to mix or apply putty

Other hyponyms of spatula include palette knife, slice.

spatula (noun)	putty knife (noun)
a hand tool with a thin flexible blade used to mix or spread soft substances	a spatula used to mix or apply putty
a turner with a narrow flexible blade