Dipper vs Little Bear

Dipper and Little Bear both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dipper	Yes	No	No	No
Little Bear	Yes	No	No	No

Dipper (noun)	Little Bear (noun)
a group of seven bright stars in the constellation Ursa Major	a constellation outside the zodiac that rotates around the North Star, also known as the Little Bear or Little Dipper
a cluster of seven stars in Ursa Minor; at the end of the dipper's handle is Polaris