groundskeeper vs groundkeeper

groundskeeper and groundkeeper both are nouns.

Word	Noun	Adjective	Verb	Adverb
groundskeeper	Yes	No	No	No
groundkeeper	Yes	No	No	No

As nouns, groundskeeper and groundkeeper are synonyms defined as:

groundskeeper and groundkeeper: someone who maintains the grounds (of an estate or park or athletic field)

Other synonyms of groundskeeper include groundsman.

groundskeeper (noun)	groundkeeper (noun)
someone who maintains the grounds (of an estate or park or athletic field)	someone who maintains the grounds (of an estate or park or athletic field)