vs 

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"Salvo que" is a conjunction which is often translated as "unless", and "a menos que" is a conjunction which is also often translated as "unless". Learn more about the difference between "salvo que" and "a menos que" below.
salvo que(
sahl
-
boh
 
keh
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. unless
Salvo que ocurra algún imprevisto, pasaré a buscarte a las 10 am.Unless something unexpected happens, I'll pick you up at 10 am.
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a menos que(
ah
 
meh
-
nohs
 
keh
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. unless
A menos que salgamos ahora, llegaremos tarde a la fiesta.Unless we leave now, we'll be late to the party.
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