funambulist vs acrobat

funambulist and acrobat both are nouns.

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

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

funambulist: an acrobat who performs on a tightrope or slack rope
acrobat: an athlete who performs acts requiring skill and agility and coordination

funambulist (noun)	acrobat (noun)
an acrobat who performs on a tightrope or slack rope	an athlete who performs acts requiring skill and agility and coordination