playground vs teeter-totter

playground and teeter-totter both are nouns.

Word	Noun	Adjective	Verb	Adverb
playground	Yes	No	No	No
teeter-totter	Yes	No	Yes	No

playground (noun)	teeter-totter (noun)
yard consisting of an outdoor area for children's play	a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end
an area where many people go for recreation, holidays or other purposes

playground (verb)	teeter-totter (verb)
	ride on a plank