abseiler vs rappeller

abseiler and rappeller both are nouns.

Word	Noun	Adjective	Verb	Adverb
abseiler	Yes	No	No	No
rappeller	Yes	No	No	No

As nouns, abseiler and rappeller are synonyms defined as:

abseiler and rappeller: a person who descends down a nearly vertical face by using a doubled rope that is wrapped around the body and attached to some high point

abseiler (noun)	rappeller (noun)
a person who descends down a nearly vertical face by using a doubled rope that is wrapped around the body and attached to some high point	a person who descends down a nearly vertical face by using a doubled rope that is wrapped around the body and attached to some high point