Synonyms for Forth (same or very similar meaning)
WordNet sense 1 (a river in southern Scotland that flows eastward to the Firth of Forth):
Forth River
WordNet sense 2 (from a particular thing or place or position (`forth' is obsolete)):
away, off
WordNet sense 3 (forward in time or order or degree):
forward, onward
From the ODE community, based on WordNet
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