logrolling vs birling

logrolling and birling both are nouns.

Word	Noun	Adjective	Verb	Adverb
logrolling	Yes	No	No	No
birling	Yes	No	No	No

As nouns, logrolling and birling are synonyms defined as:

logrolling and birling: rotating a log rapidly in the water (as a competitive sport)

logrolling (noun)	birling (noun)
rotating a log rapidly in the water (as a competitive sport)	rotating a log rapidly in the water (as a competitive sport)
act of exchanging favors for mutual gain; especially trading of influence or votes among legislators to gain passage of certain projects