This word is from the Spanish ventaja (meaning: advantage).
ben·tá·ha
advantage
advantage
des·ben·tá·ha
disadvantage
mas may bentaha
has more advantages
has more advantages
spelling variation: bintaha
MGA KAHULUGAN SA TAGALOG
bentáha: kahigtan sa anumang bagay o paraan
bentáha: lamáng (nakahihigit)
kapakinabangan, pakinabang, kabutihan, kalamangan, kahigtan
possible misspelling: adbentahe
There does exist the Spanish word aventaje, which is a conjugated form of the verb aventajar.