(rail transport) outer track of a loop line

accomplice

blocked / obstructed / clogged

vinegar

legislator, lawmaker (who creates or enacts laws)

Flowing through without interruption, passing through without stopping by. / (idiomatic) Going over one's head.

old person; elderly

political scientist

deaf person, especially user of a sign language

a Western-style cane or walking stick / (fantasy) a wand / (printing) a composing stick: a tool used in typesetting to compose a text using movable type, before moving the text to the galley for printing