FAQs About the word back up

Respaldo

give moral or psychological support, aid, or courage to, move backwards from a certain position, establish as valid or genuine, make a copy of (a computer file)

comprobar, confirmar,Testificar (sobre),avalar,autenticar,certificar,confirmar,corroborar,validar,verificar,reivindicar

reto,Contradecir,negar,refutar,refutar,refutar,competencia,disputa,pregunta,desautorizar

back tooth => muela, back talk => Contestar, back street => callejón, back stairs => escaleras traseras, back saw => Serrucho de lomo,