windbag

As an adjective voluble

is (of a person or a manner of speaking) fluent or having a ready flow of speech; garrulous or loquacious; tonguey.

As a noun windbag is

(archaic) bellows for an organ.

Windbag is a synonym of braggart.

As nouns the difference between braggart and windbag

is that braggart is someone who boasts while windbag is bellows for an organ.

As a noun windbag

is (archaic) bellows for an organ.

As an adjective loquacious is

talkative or chatty, especially of persons given to excess conversation.

As a noun windbag

is (archaic) bellows for an organ.

As an adjective garrulous is

excessively or tiresomely talkative.

Gerulous is likely misspelled.

Gerulous has no English definition.

As a noun windbag

is bellows for an organ.

As nouns the difference between windbag and winebag

is that windbag is bellows for an organ while winebag is a leathern bag formerly used to carry wine.

As nouns the difference between taxonomy and windbag

is that taxonomy is the science or the technique used to make a classification while windbag is (archaic) bellows for an organ.