We don't have synonyms for tappi yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are tappa, happi and tapi.
(N) :
a registered not-for-profit, international Non-Governmental Organization of about 14,000 member engineers, scientists, managers, academics and others involved in the areas of pulp, and paper.
(N) :
a registered not-for-profit, international Non-Governmental Organization of about 14,000 member engineers, scientists, managers, academics and others involved in the areas of pulp, and paper.