We don't have synonyms for gapping yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are yapping, napping and rapping.
(n) :
(linguistics) A type of ellipsis that occurs in the non-initial conjuncts of coordinate structures, and usually elides minimally a finite verb and further any non-finite verbs that are present. Example: "Some ate bread, and others rice."
(n) :
(linguistics) A type of ellipsis that occurs in the non-initial conjuncts of coordinate structures, and usually elides minimally a finite verb and further any non-finite verbs that are present. Example: "Some ate bread, and others rice."