Synonyms for Menaces:

n.

•dangers (noun)
threats, jeopardies, treacheries, Risks, dangers, hazards.

v.

•endangers (verb)
endangers, threatens, imperils, jeopardizes.

Usage examples for menaces

1. A danger menaces him worse than imprisonment or death. – Old Fritz and the New Era by Louise Muhlbach

2. Thus was I won from despair by the menaces of a greater misfortune than that which depressed me. – The Adventures of Roderick Random by Tobias Smollett