addition   
adisanina
addition in Arithmetic [Richardson 1885]
addition [Hallanger 1973]
Addition, opération d' arithmétique [Abinal 1888]
addition [Hallanger 1974]
fanampiny
an addition, an appendix [Hallanger 1973]
addition, appendice [Hallanger 1974]

addition   
adisanina
Addition, opération d' arithmétique [Abinal 1888]
addition [Hallanger 1974]
fañampe
Accessoire, addition, excédent, supplément, surplus [Poirot & Santio: Vezo]
fanampiny
addition, appendice [Hallanger 1974]
fifanampiana
addition [SLP: Voambolana]