acrobat vs funambulist

acrobat and funambulist both are nouns.

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

As nouns, funambulist is a hyponym of acrobat; that is, funambulist is a word with a more specific, narrower meaning than acrobat:

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

Other hyponyms of acrobat include aerialist, balancer, circus acrobat, contortionist, tightrope walker.

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