beaver vs beaver away

beaver is a noun but beaver away is not a noun.

Word	Noun	Adjective	Verb	Adverb
beaver	Yes	No	Yes	No
beaver away	No	No	Yes	No

As verbs, beaver and beaver away are synonyms defined as:

beaver (noun)	beaver away (noun)
large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges
a hat made with the fur of a beaver (or similar material)
a movable piece of armor on a medieval helmet used to protect the lower face
a man's hat with a tall crown; usually covered with silk or with beaver fur
a full beard
the soft brown fur of the beaver

beaver (verb)	beaver away (verb)
work hard on something	work hard on something