Du latin subtrahere.

subtrair \sub.tɾɐ.ˈiɾ\ (Lisbonne) \sub.tɾa.ˈi\ (São Paulo) 3^e groupe (voir la conjugaison)

Lisbonne: \sub.tɾɐ.ˈiɾ\ (langue standard), \sub.tɾɐ.ˈiɾ\ (langage familier)
São Paulo: \sub.tɾa.ˈi\ (langue standard), \sub.tɾa.ˈi\ (langage familier)
Rio de Janeiro: \sʊb.tɾa.ˈiɾ\ (langue standard), \sʊb.tɾa.ˈiɾ\ (langage familier)
Maputo: \sub.trɐ.ˈiɾ\ (langue standard), \sub.trɐ.ˈiɾ\ (langage familier)
Luanda: \sub.tɾa.ˈiɾ\
Dili: \sub.tɾə.ˈiɾ\

« subtrair », dans Portal da língua portuguesa: Dicionário Fonético, Instituto de linguística teórica e computacional (ILTeC), de Simone Ashby ; Sílvia Barbosa ; Silvia Brandão ; José Pedro Ferreira ; Maarten Janssen ; Catarina Silva ; Mário Eduardo Viaro (2012), “A Rule Based Pronunciation Generator and Regional Accent Databank for Portuguese”, in Proceedings of Interspeech 2012, ISCA’s 13th Annual Conference, Portland, OR, USA, September 9-13, 2012, International Speech Communication Association, p. 1886-1887 → consulter cet ouvrage

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