biodefence vs defensive measure

biodefence and defensive measure both are nouns.

Word	Noun	Adjective	Verb	Adverb
biodefence	Yes	No	No	No
defensive measure	Yes	No	No	No

As nouns, defensive measure is a hypernym of biodefence; that is, defensive measure is a word with a broader meaning than biodefence:

biodefence: procedures involved in taking defensive measures against attacks using biological agents
defensive measure: (military) military action or resources protecting a country against potential enemies

Other hypernyms of biodefence include defence, defense.

biodefence (noun)	defensive measure (noun)
procedures involved in taking defensive measures against attacks using biological agents	(military) military action or resources protecting a country against potential enemies