Bermudan rig vs Bermuda rig

Bermudan rig and Bermuda rig both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bermudan rig	Yes	No	No	No
Bermuda rig	Yes	No	No	No

As nouns, Bermudan rig and Bermuda rig are synonyms defined as:

Other synonyms of Bermudan rig include Bermudian rig, Marconi rig.

Bermudan rig (noun)	Bermuda rig (noun)
a rig of triangular sails for a yacht	a rig of triangular sails for a yacht