waiver / waver are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
waiver: NA
waver: (noun) someone who communicates by waving. (noun) the act of moving back and forth. (verb) sway to and fro.
waiver: w·EY·v·er
waver: w·EY·v·er
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)