variable (adjective) ; variant (adjective) ; variational ; *variative in Garner's Modern American Usagevariable
 (adjective)
; variant (adjective) 
; variational 
; *variative in Garner's Modern American Usage

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An asterisk (✳) precedes words and phrases that are invariably inferior forms.
Garner’s Modern American Usage, Bryan A. Garner