biological terrorism vs bioterrorism

biological terrorism and bioterrorism both are nouns.

Word	Noun	Adjective	Verb	Adverb
biological terrorism	Yes	No	No	No
bioterrorism	Yes	No	No	No

As nouns, biological terrorism and bioterrorism are synonyms defined as:

biological terrorism and bioterrorism: terrorism using the weapons of biological warfare

biological terrorism (noun)	bioterrorism (noun)
terrorism using the weapons of biological warfare	terrorism using the weapons of biological warfare