botulin vs bioarm

botulin and bioarm both are nouns.

Word	Noun	Adjective	Verb	Adverb
botulin	Yes	No	No	No
bioarm	Yes	No	No	No

As nouns, bioarm is a hypernym of botulin; that is, bioarm is a word with a broader meaning than botulin:

botulin: potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism; can be used as a bioweapon
bioarm: any weapon usable in biological warfare

Other hypernyms of botulin include biological weapon, bioweapon, bacterial toxin.

botulin (noun)	bioarm (noun)
potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism; can be used as a bioweapon	any weapon usable in biological warfare