We don't have synonyms for tempore yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are tempre, temporo and tempora.
(N) :
Tempore (abbreviated to temp.) in historical literature, denotes a period during which a person whose exact lifespan is unknown, was known to have been alive or active, or some other date which is not exactly known, usually given as the reign of a monarch.
(N) :
Tempore (abbreviated to temp.) in historical literature, denotes a period during which a person whose exact lifespan is unknown, was known to have been alive or active, or some other date which is not exactly known, usually given as the reign of a monarch.