freetailed bat vs microbat

freetailed bat and microbat both are nouns.

Word	Noun	Adjective	Verb	Adverb
freetailed bat	Yes	No	No	No
microbat	Yes	No	No	No

As nouns, microbat is a hypernym of freetailed bat; that is, microbat is a word with a broader meaning than freetailed bat:

freetailed bat: small swift insectivorous bat with leathery ears and a long tail; common in warm regions
microbat: typically having large ears and feeding primarily on insects; worldwide in distribution

Other hypernyms of freetailed bat include carnivorous bat.

freetailed bat (noun)	microbat (noun)
small swift insectivorous bat with leathery ears and a long tail; common in warm regions	typically having large ears and feeding primarily on insects; worldwide in distribution