chairlift vs chair lift

chairlift and chair lift both are nouns.

Word	Noun	Adjective	Verb	Adverb
chairlift	Yes	No	No	No
chair lift	Yes	No	No	No

As nouns, chairlift and chair lift are synonyms defined as:

chairlift and chair lift: a ski lift on which riders (skiers or sightseers) are seated and carried up or down a mountainside; seats are hung from an endless overhead cable

chairlift (noun)	chair lift (noun)
a ski lift on which riders (skiers or sightseers) are seated and carried up or down a mountainside; seats are hung from an endless overhead cable	a ski lift on which riders (skiers or sightseers) are seated and carried up or down a mountainside; seats are hung from an endless overhead cable