rudderpost vs rudderstock

rudderpost and rudderstock both are nouns.

Word	Noun	Adjective	Verb	Adverb
rudderpost	Yes	No	No	No
rudderstock	Yes	No	No	No

As nouns, rudderpost and rudderstock are synonyms defined as:

rudderpost and rudderstock: a vertical post at the forward edge of a rudder that enables the rudder to pivot

rudderpost (noun)	rudderstock (noun)
a vertical post at the forward edge of a rudder that enables the rudder to pivot	a vertical post at the forward edge of a rudder that enables the rudder to pivot