Upbore is a word that isn't commonly used nowadays, and it might be challenging to come up with synonyms for it. However, some words that can be interchanged with upbore include uplifted, elevated, hoisted, raised, elevated, and carried. These words all convey a sense of being lifted high up in the air or raised to a higher position, which is similar to what upbore means. Other synonyms for upbore include elevated, heaved, lifted, elevated, and boosted. These words could be useful in situations where you want to describe something being lifted or raised to a higher position. They can also help add variety to your writing and make your language more engaging and descriptive.