bootee vs slipper

bootee and slipper both are nouns.

Word	Noun	Adjective	Verb	Adverb
bootee	Yes	No	No	No
slipper	Yes	No	No	No

As nouns, slipper is a hypernym of bootee; that is, slipper is a word with a broader meaning than bootee:

bootee: a slipper that is soft and wool (for babies)
slipper: low footwear that can be slipped on and off easily; usually worn indoors

Other hypernyms of bootee include carpet slipper.

bootee (noun)	slipper (noun)
a slipper that is soft and wool (for babies)	low footwear that can be slipped on and off easily; usually worn indoors
	a person who slips or slides because of loss of traction