importation vs trade good

importation and trade good both are nouns.

Word	Noun	Adjective	Verb	Adverb
importation	Yes	No	No	No
trade good	Yes	No	No	No

As nouns, trade good is a hypernym of importation; that is, trade good is a word with a broader meaning than importation:

importation: commodities (goods or services) bought from a foreign country
trade good: a raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes

Other hypernyms of importation include commodity, good.

importation (noun)	trade good (noun)
the commercial activity of buying and bringing in goods from a foreign country	a raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes
commodities (goods or services) bought from a foreign country