sharpie vs eager beaver

sharpie and eager beaver both are nouns.

Word	Noun	Adjective	Verb	Adverb
sharpie	Yes	No	No	No
eager beaver	Yes	No	No	No

As nouns, sharpie and eager beaver are synonyms defined as:

Other synonyms of sharpie include busy bee, live wire, sharpy.

sharpie (noun)	eager beaver (noun)
a shallow-draft sailboat with a sharp prow, flat bottom, and triangular sail; formerly used along the northern Atlantic coast of the United States	an alert and energetic person
a professional card player who makes a living by cheating at card games
an alert and energetic person