chair lift vs chairlift

chair lift and chairlift both are nouns.

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

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

chair lift and chairlift: 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

chair lift (noun)	chairlift (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