aerialist vs acrobat

aerialist and acrobat both are nouns.

Word	Noun	Adjective	Verb	Adverb
aerialist	Yes	No	No	No
acrobat	Yes	No	No	No

As nouns, acrobat is a hypernym of aerialist; that is, acrobat is a word with a broader meaning than aerialist:

aerialist: an acrobat who performs in the air (as on a rope or trapeze)
acrobat: an athlete who performs acts requiring skill and agility and coordination

aerialist (noun)	acrobat (noun)
an acrobat who performs in the air (as on a rope or trapeze)	an athlete who performs acts requiring skill and agility and coordination